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小木虫论坛-学术科研互动平台» 学术交流区» 论文翻译 » 论文翻译求助完结子版 » 急求修改一句英文句子，附编辑意见，在线等
北京石油化工学院2026年研究生招生接收调剂公告
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xdpeter

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[交流] 急求修改一句英文句子，附编辑意见，在线等

原文：
Until 2001 the phenomenon of the negative refraction has been experimentally verified first by using artificial left-handed materials realized by periodic arrays of split ring resonators (SRRs) and wire strips .

编辑意见：
In the 1st paragraph of section 1 “Until 2001 the phenomenon of the negative refraction has been experimentally verified” if you mean “until 2001” (2001 is the ending point), then “has been” has to be changed to “had been”. If you mean “since 2001” (2001 is the starting point) then there is no problem with “has been”.

作者本意：直到2001，XXX才开始。。。。

[ Last edited by xdpeter on 2011-4-1 at 12:17 ]
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1楼 2011-04-01 12:14:31
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luckygirl5605

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xdpeter(金币+4, 翻译EPI+1): 多谢，第一个回帖，多分点，呵呵 2011-04-01 13:19:58
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The phenomenon of the negative refraction has not been experimentally verified until 2001, first by using artificial left-handed materials realized by periodic arrays of split ring resonators (SRRs) and wire strips .
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2楼2011-04-01 12:43:21
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qjluo

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xdpeter(金币+3): 2011-04-01 13:20:08
In 2001 the phenomenon of the negative refraction

was

experimentally verified

firstly

by using artificial left-handed materials realized by periodic arrays of split ring resonators (SRRs) and wire strips .
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3楼2011-04-01 12:45:52
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qjluo

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xdpeter(金币+3): 2011-04-01 13:20:14
或者

Not until in 2001 had the phenomenon of the negative refraction been experimentally verified firstly by using artificial left-handed materials realized by periodic arrays of split ring resonators (SRRs) and wire strips .
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4楼2011-04-01 12:50:00
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