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Because of television and worldwide computer connections, people can now become familiar w..
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The living pressure in many big cities has had negative effects on city dwellers. As it is..
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规定军队医院和医务人员在战争中对伤病员保持中立地位的文献.....
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中国古代的数学家（)曾求出精确到七位有效数字的圆周率：3.14.....
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An old Chinese saying goes that "He that travels far knows much." It implies that personal..
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传说针灸起源于三皇五帝时期，相传黄帝发明了针灸..
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