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вʽѧǣ Aѧ Bѧ
Cѧ Dͳ ȷ𰸣A 2
Ϊѧǣ Aѧ Bѧ Cѧ Dѧ ȷ𰸣D 3
ݰ˹̹ۣѧγɵǣԼոʱڷֽϵͳʵпҵȻ֮ϵ AϣϽʵ̽ʽ
Bϣ¼ڽ̵伮Եķֱ̽ CϣѧǷļ¼ŷüѧеʽϵ DϣѧֳĶԺƴ ȷ𰸣C 3
PhysicsһԴڹϣԭȻѧ ȷ𰸣 4
ҽѧѧһ֡ ȷ𰸣
ѧ ۣ 1
ǰġϣĵŷԣ˹ϣ A Bϣ C Dѷ ȷ𰸣C 2
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ѧʷѧƵĵǣ AIsaac Newton BIsaac Asimov CPaul Forman DGeorge Sarton ȷ𰸣D 3
ѧԴڣ Aϣ B Cϣ Dո ȷ𰸣A 4
˹䡶Ȼ֤ϣѧĶֶʽУҵԺֹ۵̥ѿ ȷ𰸣 4
˹̹2000걻ʱܿѡΪ20͵֮һ ȷ𰸣
ѧ ۣ 1
ϵһλѧҡѧҺѧǣ A̩˹ B Cϴ˹ Dӿ ȷ𰸣A 1
һԳΪѧҵǣ Aϴ˹ Bʿ Cͼ Dո ȷ𰸣A 2
ŷŵʱָB AԪǰ900-Ԫ476 BԪǰ700-Ԫ476 CԪǰ500-Ԫ476 DԪǰ300-Ԫ476 ȷ𰸣B 3
4