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ʱ:2018-8-28 7:29:41   :habao   Ժδ: 

ҹ񳿣һҳ˰ĵо档оһȻ!;ѧ߶̫(ke math)ݱ档

ʱ˰ĵĹԱDavid H. BrockwayΪݱһ!

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˰İⳬ0.7İٷֵ㣬һҵ˰ıЧһԸ˰ʹ͸˰Լڼܡʩ衢ҽƵȵȡ

0.7%ʣΪδʮ1.8ڵĶ롣1.8ԪֲǰԤ1.5ڳ֣ܴ3000Ԫӯࡣ

ıƾ߿޷˰ǰĽ͸(ҪǾѧ)ĸйٳ

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20182.12019½1.9ڵľ1.8Ԥģ˿1ٷֵ;

4ڶѧɵʥ--ѧɵľѧǵʱʵ:˰ܷδʮ?

42ܲɷõУֻ1λͬ˰ãľѧҵĿDzȷǷ񶨣ǿҷ;ռȳ9ɡ

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Ҳ˵ƺĿǰֻպΪ˰ļܹȵĴ̼ãһ!

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ھ÷չĹ̵УǰѾķչһֲֲʱǸҩҩ޼֦޼ֲ֦ﴦһõ̬Ƶʱٸӷʴ̼£ǿܾͻйϹ˵ˡտܻòΪĺ

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вٹڵһĽߣ˵˰Ļ˰ҵŽ⣬Ӷ⣬С

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