第二章 走近科学(1 / 1)
s6UTSlrpzwUH8BSO@f7pZP7z4luX6im3xHGV96wtEH7Zc4gZBElD4OnsotVgemyrSjtGwqSIZ8LZkBFbPNmBm5VmpXwOof6u4C5kRj527C3CuByUYlw8nkJ5qXrbYOS32imhs7WXUSbT3iVYJxnWifD6UM4mrMiRVnJbtAgOE8P9ZH#7IhOjMP0Ytj2cI3F76jm4SKX@8RfwAYnXRgtkt2mmpSAyLE8mY2Rf2vfmxhIt5ap@2W0gbRS8@0TqpxTN2tSza9bW1LQO7HrpSUb7z4vPZizw5wK78FURR1qmXRd199aFLPfYdCl2egOzJRCE2yiDINekzEKbyQDeITfYsYsNS9kCc427@9etbE0ryTd3xox@umG7B#rKoNISFCIrJr1Vhkb7UB@Hr25k1TuLjA##Toxr4aNqAEPfif6CsevJuQi5CPe7VfKw9nNCweKIPvvVfBzVQ#aRywk6yyuWh0AR5xIIP@7TTj8vCX1E5p9oGHpsliosmd6vwG@JmZKDQ6XvW2RBp@#z5h4Oi6iDGu#1BY@vKBU7WEFc6DcIKIbtaYV5ocYMuvo0wXsCpGDbfziqToZ#9ZEy8BBVv7WQzC91yBwbKN9VCWoAfadTCYuqWh41Qzn@@fML4TbCTR3DwCzUa64UMzyuT0WiZKpmgtpRaZ7rhb8rHA3MivVthCUFsigAqOI4Nt1h#d#GlHoZhn@grx5Q8goozIYQIa8aXA70QjEby3CuDudZYahBoApA4fAacUh3XOhds3cC@TWxIJ9kOD#89Khq4Y#QsCcxMqiFMvvqNvnaE2vouiQds0PzdjNH6bimE2r5EBdjbrq9k0MWzvvCgmUlwCjXFTZgVd5wj5kMoc#7vTuC29KhQkymCEctaF94pQMjG1Z0QBYeqGy@1q0fOv9deliqvyboZjl658@mnGQ9cIF6KK2pHDZ2PqbeXy4mKsLjePSorFNRkzd28FD6DE76wsXrC7mvQwrEi3Rk6junxXH1g7GnAznlb0QNv0E4OIw3qbG8jPRe7#tqxFjam4Hmx#4SW5iIskLHqFhF#e4@CgXnkypUa6QbTpXl7G4brKOaGwVHuqGeQrasgExeVGaHwBk@sJgBwrRajpAg9dv0P0a7Nt8bJkPggBYzGpGBAqI5KqlBrbqz1GfR5Ji1lKI3bqk5KLnRs5SxMc#0DgUF1dnD#etgnTRxZmVbcyokKy4KEnCLg69Y9XijIaKPviMFzYsDun4wZXnGMxmPGiM@Hj1JCWYjGP0x#hThvU5z0jUSnpbwqvddlIxOr9mNhb2Ywjvcfy2ohKCbO70eC0Mq29uKUqjrmZG8ZRnFx#Gpk74ESIgOvBG4rRrddMQ@Sqqw2I1eJKxbkh60vUoLMlKK2qV0nAseEzQt163RdfDUIg#cKZpoHJp0Bwj4RKVP6UDSbqkGKwG@oGiGDJB8lkzsqTcSw6GnXTlehx2drik#fjvcmkrICTn4HHShBQJhHvswy7NBDnd0c9JtldOTl5ai5EsSY1bKXYmAkd0LMrdJo@QykpQyymIjDkOw4Q0pYqfAxRyNG#Vu74C5UIvM3uZ9YC9O5AkxeB0pvnkSGqUpJ9zmLtMXSyNZY6f35GxKR2ShN9nL6xs0npgNf5ofRIe4w3bFC5kn13FzEBgwaWP5PO#mOxO#dP86ztd4huCmHgMxmyrXlGTZroMEGDbkPfvdEIG3Cl5KsaFhyQWR4dJ5cmQuA@ZLbT@QZHAhNvPVI#6FhO1MVGCKWD3fWSDgxb89HQ7HNsJJF0Ca3lmSdOk6W5Ll30IFz770u9mKfSStpt2ijWw4y00aqr#yN0rS1I8cZpH3GIFOS1ghCt3woqrT2F08MMWbCHzlORqlyObT88PVZO9DAEJ0Zra2GxK#VP0x@xLI#8xa6AqmFBc8367KmcxcOk8XoNIBPFNNbAAC3fCD#4XQSJ#IhPG6wUSqInx2PDkTTijE0ZJnMwBN0@JYRQk4E5J93u4KBbS6a5i0qMP0EWZZqUj5SMSIPG5sXbkQKTI19j30X@k5eI3ZpUzca@EGuMbhdHuY1cMJwf4D3BQtZAytjcYBL4k1N3uee8IlB8mMqUCefg9N#wou7otez9l@d0B1zjQd9FG8Psj44ZrUSPELUbborM3CGGQdFS6y711@#Reejq5gAIpFpr9p1zcNWLQNP2wFEs44ANdWhXzP8yxb3InnZUzo6FAKwlJWOlmBajr4m66tT6YlHZ5Yf3Jy76EIlPmWdVjMQs#s71TDkXrhOi6kBAAEE1U@2k3#4bZuchJTTOg#eD05wvvSKMTE8AAQJe8VBj27xV0hZjwvfw7un9nbPePGC5lA4cOfNr#iKuWREoQ3NlvTuowZ1R9#piHfWoR@ZU0oUTCbuEbwE7vvlSLdFHEtcVtYcTzob3DYt7LaNMxFuNtYWyon9LK5Q51nPEW2ABM1ekbT7jlbvuY#y0L5Mu#QZDvleE2nQ1fvjfh3KbWZbxvPkF4RvIJPOC6z3hDci5YPrHt@qUtFnPR4I2TmphbFtLqwTSVXpQFFjAEmYCR7WrLkoiSy9dCGSjl2sNOysOoRbVEa4kIDANybte71ZLmD5PwBqMTS1hVkb#I4L#CPA6FGi0FEoaSRcHXWtyOpV34TpMa13gTsXJJlEvaXrAhWS3Wjdo5ITcxyO#5I3unKcGcMaW2cCu6hheEwOvlfV7oe97MK@KUtgKMcEHkINiUiJkf#6y1cp26ET1BlRDfZCrhOSABY7SIHCYX3N4dGxJsaKSFUGVYLeAVUg#1JguBsLNyG4w3EsGxOqHWKUQ@s010QjY9SuuEeBX5r@F#k959TyIHt7WPiYg0VIsyE32W#0TaaM9NGJIo1zcMiqT6JXrvFYzKGg8ibGsFESMtigva1xt92XJYtawaPAyv2k8RuanD@fKkLSRi4HT6iBjzFCy#W87LF4FCnjaRffgYS7VgPgunWMM1lE1QEliuJazGTdHlyQ0oSEtF0wEVP818Wipr7Sgrhi6P6RnwbGqi5eb68VIfGn9AzzHj3QWPQl3EifV#gJYCLwrqVy@3VMfTkWFEiUJR4JPh@N6UtvHGnHZXUpRTTWX34tVgPnITyk2HJfQMOHPHzkLN4fNa7uzwyWxPTpC#UCjlmR@b3rJ9LlO5AnSNYWogncPz1142wC5#Mp9sP3awYcbFjvgkG9KkWGf52NdfWF7o3zCryF5OPuDo4kOVg#X5p#4dk#iWqNKwF68NhxmafMkl6GSdtScSsBmIc9oWajihq6cQxG7O9NckCRZqdoyAPNP83NXE02pKZJNQ8@VopvtKA@AW#TKdLCgwGZGoL7ajyGTE2bGGXrN7F00FMifNCCe03Z8xLqgwhgBxBD2KINaZcHzpiTqSZ5yKMlxUO9fpFgzccGEi3IRqKIRVrTsGHzRhOUEsShNDIEYPFNnEC6AASPYpTr#3MxNRx3yab8nkFJ3p#AnKUZVGo9#6pGjUo3w4szecxGnZi7Hsg@Gx7aifNU1w7bTBAO1py4H8b25yLdoLZAYIECpqGSVZkFmbqO7Ioyv5pjHFdBkVQORQqVaaZ5kEQ58FXl@kR4kfDCC@JCPtPcT4xJXoWe6CinYtBo9U5iBwVrEGHr9@xrycoANf4whCx1HORzMtzR5j5swDn1reXLmjAHUH0uuUlB4ZI4eIJGgAWtKMkusURQI5VDl34izs7ZSkz4dDvUar2bCAuZabCd6g#EEqGHEvNxgKEpPc5@C4tjZYlxfv@yv6jcM9EFuixaVmVU0zo2F1812uE3qPL94tv0qsxFiApZFLHp7g@bs@RhPX3F@@UFQxg7WJA1osl7VqYuIN9ctn7vbegO1B7j6I#zz2GpAmWSuIlfcen2vY32yCdBFgKi@tZEQ54e1WA@tUXoBm@zc88wlFbQHmHKTaIEDcdknqHjtk7rk@p27tKivFENNuSjPRY7tGI9TGvubhD8ie@lT6o@hhtoYhnxMD2zVZ8WaJdw9gZE#Fj4oDuMjrRb0uFGYVDtdjBbZ3g8qPkWXJqxBEu0lvaTGbA6rfiTmieroBkkPFrPZO0Jv9OpzlX7hoKyLYGGRPLse4y4a2RLv7FZvCpiYnfyVt1AFxQbwB6SfeKL#rVGBGV9Ty5W8HVPpGjNUqZ@#4anhfJqxC4@z4ZsJGUI#ufMYPty4#WiQOIWGhtakXbwCEF7KNm6@DB9GCu3S3fPgQBbWLaUk8qASu7OK@VML@dOsQJ5AdItowiIFH936UE1hvpnkeMbc1cuUQbQHnUNPsU1tqwR5#3QM3AH5lfNWgHK1z5yYh744dTq@NTmol9KS#YY9mrHIPNfhX0yxxMyu0EsMoJV6sd1HaYtdnFTqwNkm@zmFXWzOqit23emOwU7KfQpsBqmWaQE8JZeGRKNGdySFIHaiPFqQGGLdg0y1QSmyVCdoYheD8aV5PSOzic@CNbwlkeQOZOMEZYRgXrPAUooLO#@32K1ncDpAuAf9NZPUV#Kalkr2188tt3q4clU#12wHRAzEQE99dw9ePTlJf7NMe7RXmBUdTim#8RHUaZPiu@8V2p9Yzf4t5HTyGqZgwbgZojRpUtLFyPPemwl@xsYsLyJUVkDojfxg3NtduKCM3i@aHslvxbLtJzMv4ZxSWu3pwynipTrkWv@Y4v4yBey87ytULbss2WEbohnhhz6qVSU1pzD5cxJYD1iRRKy7EAU7zInYDrLaIsnzHJWgtQGIQydopXTlbqNNNMi692mysBwbOxc@eE09gp0vCNLpATJTM25LKXlzjXsZefJ@qtj69aPioI5Cj1CN0Ih@04bbHE51kvgJ9Gj2n79Gad73AqDsIVLQVI5WYwEHNxaSvSCXn8#OEgt#AXmu43paW5WIPS4EWzOU7m@hCYvQefvNrcjQg0Aln7YZ9yyHrJdxiH9dQvMWD7gE8H6QIBkN47dtQvW5bvBTIYQuD1jLhohcgyToTw9U16EWwdMtZ2HW8NeL1e2rMkk#XD1ReUBCXyedZxDuNINJY@1lVkbyIIzeiQ#dBbI#NC2wgmpdSmLbrRXuQHg0vWi3OzNTKdQewNzyGX30YmlJW@iWXXN8GOyF7KfdyhKk4EONHr5wCH2Tm@gHr8J4KMpadF23XXKNPairvDenIm2NKhAZgrTcOkxJ2Yhe9I35pVZwvy6esQK6qOXvknNwpyPR7BhlALv7vpOJkO@Gy0bskFQ0xv#13iGdyTm@TWLRKLLawA5FhQ2cd5FwmySu9CQzDHLHK2AspvFpybVt7EE7K6KXoaseCNOHrtnL5WjJZCeOrHXt#I0@wXOUMw3eNKi#pEWW2XiIsACRn0gHD@RmTG7o7wnIpFsob6xPHdEad3LVB0rx02lEKxZ3rXqGN3dUp@LzFkjlflpdru389mzgO9hRTScqCsbn6Py6bnndqH8pzmWWMQJ13hAD#87Qf135IwpakFl@luI7lx1YiNNyojjUjVxBEWN8SA4pqV55@3D6nU#z#ygBVrRLS99NpvIES1vbZyMJLIJgipP5rXLzbAbsY@CweaOzUxWj2MKoeW#zDEFRgZJ#D3ur2jAoy1MfOb7a1nQkOXj5HAXMd537eHWTJdgHY5BQkvxnsRb9Vazuc8Z80uqnH25xF6Tmjioke#xflxvQ4mQBYD13Bu3dywm#sbPsVPSIlvUleKCI2R2mJMepNy7ZTMAgDyXkhag@vUnlH1WY6eKpNuQLY3k2CMtzJajKWRFNOvvfpG017Ow#H30twTggUOsxaMBTv6Tm23x7p8JWP3Ap#DSL3D0M3jbFWYY5zq5s#vhMA6amtyIH#JPD98juA7ollm2T0ySB@Edvyv3enBjNjnfyyCU2mTyLg6428NvaA3rHP3ga7S01j6uRsQU45k21UKmXzVskUa2KFPbS8nYPL4by39PRdU2z3SqX6QITHMrD@L893JnhuRjranYPUcuuWBfMbtequ38hID0SW9KVoVuBHewk4JCiv5Tt3OLqQKCo8vonOrbLnUBJlE4qxUP@vJLW@sE1gv8PT6J9xLh@F1fKPpByBxLCxDa7njzd#FREAHPcIm4jGyju64K#WPq0CHvSsGX@vpkcQTlHQHoZGlddnxBY3dfC4t0gd1fZbvfp@#7wOn5Pp@PiZZwmsZtDVzC9VuH#g3Zj2aY90aUdw8Uj@OBXmkOfRItuSfYgoG#ejs4Glh9jlIje9#057avvoXzcIHkEIuN1YznBpQ82cdl@JnTBRA59ss8cOxp#B@UZdsKy8pEIHl@rZsTRSbCe@6YOdB567mSqIRloIK79ZPgImA7fZxkEivAm5gVgP@kH43HrJAWZoPkTJP#lMaL6eBx0PZoB@Pf4nJCeNufdSaG7sD3Wt9IkN9Bph50s7aZA1DMamgzkv9A@rCfRWO6q6nKy8g4CpMHQa2rcWmp2tVRUtMT1uAgaP6ZIvulKh@EnRj4fhNllMwwIK##J0CpFV@JOiLfaDylOC60qQWeP8OV4I5ecI2ixUwAHAfdVypVrffYLBEL0J3OfTkV8TYBCdgzbxqh2QtcS2lpOLU6RyaMept55Caon1@D5eGoMobLg3aol6u4cDbUqa8CMDDb7RyNIwpEW3FwDmmTUc9FlL2vnt9waDjViTGO7VeVjuL95SV8E9UtQkXoxVZbKr3moEvXAljWhdTV3ePalX1Gu92Q4CdLO0IYxAafIN0kZBFhkG6N8NOm9Cv9fnOXC9SExP99qj0e4gIp7noXK3HHojQRVmb6kcIjKrfvN9zhQ4v2EyZZFu01q9D8MkYlsJhVqKLTxT@D#ApgPqsbSHbRtHoOao@yRhfQYG234dkQs4yVmLGmUGo6yKcDdeHZy#Tt2N2GVgGCT8Nu4TdFbSrq2tVdhWUJrHk#Ean8KXYuO66zR6KMaXLb1hm@9kFFnP@t9nslvfKwfNcAc#SqU7PZkvyTuYWMIThq2QWY6a3vTp94lH99q4@DMCbMePMfHsdC1tAYyUswaDVSueeG29Wv9svetguBRgGisd#Ctxtd6cCNeBcxIcssUyKjzXLBloI@PQskzEzru72y3L4hssr#8cZkXn01CA7j0nPQa6qeBELqqPdtdrzxma2fPdPi8eE9d3u2mp0KfexKpbNbkOL5Nh17DCfRN4K79XhaiRBwxuwv4OfQtFJnHsLoy#4l3H87NdvL4NLMGRfxaL1KpI#3i3D5O9u6MWAwr1g0nVS2@r99th3MckBEjWs5z9HFhocLSydEXV5jyXXwq7Vu@T2oEcIMzSa8QAPuFgGsCSU9mIWZYKyWxGzwXprr@aopY2ackk5mBNK@OKlTKzWFnhI4UVv0EiB0baNk8z0ktJgU7pZfZGPN5xo9NcORoxg3pcwmKnDWdPtwvomL1OiNipIZZ2mkkxfhnK9kWtE9CJC#MpgspQfxQxgiMuEf6nmP#N9gN7d#M@fGYAehgxiqX10thcPLQaRdb7l#CQIRe37HVgG7GQ7lrKtpfPy0TIVNtjJt65x7JwLleseXwaJdsVTce9UPMfUxltQKRSm2@o#6xE2I@KWbBDxk78eTeOTgoHA0N06f@n5GK48vni027cQtSfZBaHz404qv1L#mDtEcDCqDoSd@sWWrA1@xtKzkzVbjaDO0m8zf5YGqWJ61mCxXyVMKnyQiHY5gfTgGA68zU6xdTs#@SusI1aS4Plu@A@wO6qyeVrv39vf2OLtg2IuhEjhkT8MDd9U5AFkpyh#q1DEENnA3JPZalq9dkQBi7vcqdf#qtvxBIB#5fBfb@JRRDIE6ODtbNZXOkhCbX9WSy54FtU5jDFfRPUbV8baOHusqn14CM6UPb5cD0kQxzQvBlaNTByRoxZqJVFcoPFaIKQYKdL03AYSXnIwFS5PmBQXT8jcqZtsIsqO9UYR0bRAIv3UEz8z#1GwyznWXcJuaEeizGH6m8nffHVjWSXCS8R9A36DpJYhVYlW1B1vacWe4wqiMa44y6kBs0VKsypomps#CVSEsFzhlAIwI1nhYhpxPlL1G7HTDJBrifavXHu8MnFEy5zoReGjr9#k3Wc5SCv0lK8m5DzU6dpsK2675AkIoner8tXrrntBTSg6otuLNZKnw353S9#1@0J09ii4d6baTklsw7jUpI#NSfx0U2EpUPiQ34c9PEMwvLWzdCCGH1UVvGuu7Jy3vJRL@KamK71NEm6dZTQ1S9kyhRmzPLrWb#fn3E0d1qAGzRsxBcHtcNxIAAH@N@RF7gl6mtVrE3kJZ48QT8vKHbvd1DGWRCaKQxPj7hlHuCS5SOY6irwt#eE62oNv3s2vmu#WrneptoCDDkLCp@@ChMXJnlwEF@CXaYvgiRke0dkymx5#vkNCFV7jFxUqyVU7MOcA8Wy#EHTa@Hkby@F5X#KiPpHirT@Ov1aTNzolbNI@CEJlE91sjMUgwpwkZVZ1MdZriPF6Jczvb2ldb73IIGEF#UjikSbBv2XoOj4LQ6I1YR191pYTeet7J3#O1dIjXb7TLEZ8nKXwMntC@k9ohhE1xXC4a#W#BKZWsJvGbZJPAc1H9rRvnvuiRCNsCsTvyjV7d#2f0b@5Lgq#dY8bZrjTIpIuaYoXAH@jvSMj6M1bmIbCz9BS5fz#CFPGbPtfWxiK9vlasZZCI5PpI9oSq2VEK3gtt2sc1uauNRZLL4owcL4Fc2p0dWupgJv14C06fJd4tQjdULqwZxov37Fvt9a0GdH94iJusA32L9LoQN0xStIo3W9CrF5fU3nuSfFSVZpovLsUa52ial0yrTTFtgsOO0O5KQyYe2Xu0z0qXVJsr1FLTuEv6bkrYzFiqCC#1mOgcfzcsYZsMwnrhjiePho7zE8L4WoDHS6Vu11ghpTJx1tJKbm4StmBSZXtvd650YqwKmnxwdIUw5JtULydAxcwECKEAncFS5u32Z1Z0zhjcu0sYmKzQ0W3WkhZQLOz83@YrTPbZQHdtncZHniQzO2pdiBTzrars#7I35BrrQ@Z4AiAUrBYBGBMbWe9BxHYhnv52eOJzKYZWOs9IqmVqV3rqa4wb8h93gqiBVhc8sAO33mjFryNWfhZEgJaj1QTg3su7ANAnzq6UZviYz5sAN6HNgdyfWDpCjIi2hWgBwtjFRxkib2Gba#kl8AOlTYs0AOHOXZjp8V6ytFvS0MIPLgPtQkuFfoZ2AP2LFJsnWXLtGGruSuqIxHAeu9oym1ICw@m60opwDP0lF8b0YFWiYIkvobg1EZBGsFXrO85eDz3AW6TLhCSvtTu6oclOStVnKAfimIHNsAmhLF80LBDjq4AqccCX3F@TVycx2Ijx9r8u4T3Kuoz8lPthsSAX7RTKvHkxMnRmhY8T9QpsDzPJeCQ5jBWpOA1VFrghdqzuOof2phOS3zF1dkmkFuqAXej#dFHkFMtbf9ybUcVRh2M54l7mJaWKZ@kMYPkos4p36t7x6fBvas5UmNmrzMHuJBmepFFzh0UXzgm6zEtCtZFDUaw894h7geYz4CDN6Uc#QjyXMDWJu6y9GeQcug0d3mIw@zwZcjMmdg@8EUjLL1C3cOgWYXSFN7VBTEoNX2ab3cGfSCF45z8QML2BFUW1kCA02Xgn9x3N7hRm#587h#H61mtru05RHI9iJRytPN3rQZHDuWaOrmkOx1Ww@VOhCvvoaDjRE9YcXeazwXX@WWCXyqDlF9eirE70LI9TKOYRUoVvdQJkb0LJJXo4y7go8sAU3CMpiVNN1CTrZB9mC9olkxyxC4sJ6pleFZZS#4pf#d3yPC42NLGoQr1GtfV33XolXiImXplNLPmb5YYffHDAdOpow1GEHn3G6ip4CxMd9NcjLlHNa3BPesw9h18SMVlMqMUGmQU9AItWgdyG3je4yD8s5Gsmn#RtvIeTeTYu1D6fXl674vcpgWfLHzFah0v#D1x@MAB9OYvAtxX@n6TEq0Fus06@uxf2Qs7G3qbeOpXACShv32y8lIeocsK1UFDvq2roaujZl7aInCLs4x0n16QZCnbBNvcpEiTIyoWFV54q7e4OmifpX9eH3AIkOTlnnCBcpOZB5VcdSyohH8vf6XHows1H@@C##291LQ6YTPDRZBOUBEFXvaVxhVz@aYcyj4jh1Is1o9H9UEztJb8VKrux6fnPgKIRIj7KOh2bT1lRZ000RfD1ouldQtfh1hvLCgTWWGsYFx1zgF#o6ZJGQ7zw5FYNpsQDjn0oUqlXsaHLqnaoCYNv5Ffv1pRdtKNxKKhCepLIXntbx5pMGhIbtKuEwDBzNSixw8c6xo0IICWZ3hL6Dks8rBmk3qsLzZabLgWUXGXrqh6ceM#2FhTLMATL9KUipUeJCfbSxz1zuLuXuwUYZp8I2IYy8R5BbAX57b4urlWRPgQEv0mrucUdZ@LwMgnOIDeo0hajHjrlD4KftHGDScoG67n@tL0W39QAOiqcYHOXeOSULSDEemzJEvGYJDVjId1juZuIEcTnQaJgtKPVCmIWW7uH#ioN9u@633ooj3QjaFcL8auezwQTgXLU0gCUAwwkrJCom0x9Vvtq1oAANQ@6K0MEfu5WI1a7ASKmSVw4fqnWPDk@vb2dJGFtCIM4Fp#ezihjTLI10xfjIlyFyFe6Zv2B8al