The module background colour can also be chosen to complement or contrast with the cell, or it may be left transparent.

为了不使其处于透明态，可以选择模块的背景颜色来加强或反衬出电池。

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14：The lunar rover for Apollo 17, called the LRV-3, sits in its finalparking spot on the Mare Serenitatis, the Lunar Module in the background onDecember 13, 1972.

该月球车称为“LRV-3”，停在澄海(Mare Serenitatis)最后一个停放地点，背景显示的是阿波罗17号登月舱。

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The SOAP::Amazon::S3 module requires a little background, which I will simplify a bit for this article.

学习 SOAP::Amazon::S3 模块需要了解一些背景知识，我将针对本文稍作介绍。

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"The tutor of this course estimates that if a stronger mathematics background could be assumed for the cohort then this module could be shortened, " it adds.

BBC: Universities 'dumbing down on maths' to fill places