lcc1127 发表于 2011-11-4 22:52:07

Provided are，有这样的句式？

Provided are a rubber composition, and a rubber belt formed by using the rubber composition, which is incorporated with a rubber component containing an ethylene/a-olefin copolymer, and an organically treated clay mineral organically treated with an organic ammonium ion, wherein the ethylene content of the ethylene/a-olefin copolymer is in a range of 60-85% by mass, the rubber component has a Mooney viscosity of 10-55 at 125° C, and the organically treated clay mineral is incorporated in 6-30 parts by mass per 100 parts by mass of the rubber component.
上面这个句子，我是这样理解的，第二个逗号后面的都是修饰成分，也就是说主句是Provided are a rubber composition and a rubber belt。在这里，provided are 是什么意思？

nigerose 发表于 2011-11-5 01:56:58

Re:Provided are，有这样的句式？

回去复习英语语法。

changeup 发表于 2011-11-5 06:07:26

Re:Provided are，有这样的句式？

可以这么用，避免被动语态句长期不出现动词。但是更好的写法是改写成主动语态句，即the invention provided ...
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