Translated by Xu Yuanchong, this famous poem, with four couplets, was written by Du Fu (712-770, Tang Dynasty) when he was living and farming in Chengdu.
许渊冲翻译的这首著名四联诗是杜甫（712-770，唐代）在成都生活和务农时写的。
I'd like to make a collect call to Los Angeles 712-2134.
我想给洛杉矶打一个对方付费费电话，号码是712-2134。
Typically, high-throughput screening has relied on 96-well plates as the standard, although higher-density formats (356, 712) are possible.
一般，大规模筛选依赖于96孔板，尽管更高密度的形式也是可能的。
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