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发表于:2019-03-10
Asthesourceoflife,waterisindispensable(不可缺少的)tohumanbeings.Peopleconsumemuchwaterinproductionanddailylife.Agricultureandindustryaccountformostofmankind'swaterusag...
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发表于:2019-03-10
水是生命之源WateristheSourceofLifeWaterisveryimportant.Itisthesourceoflife.Everythingintheworldcan’tlivewithoutwater.Theproportionofwaterandaperson’sweightisabout70%.Pe...
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发表于:2014-11-30
Linux系统中,source命令通常用“。”来代替,是一个点命令,与一般的命令有所不同,下面小编就给大家介绍下Linux中source命令的用法。用法:sourcefilename或。filenamesource命令是bashshell...