Those who make the connection between size and safety point out that after slimming down in the 1980s, the average American light-duty vehicle has bulked up over the past two decades.

那些人认为为车的大小和安全性相关的人指出，车型在二十世纪80年代变小，但此后二十年美国轻型车的平均尺寸又增大了。

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The central research questions discussed in the previous two chapters are hoped to throw some light and point us in the right direction for finding a suitable elucidation to our purpose.

在前面两章中讨论的核心研究问题是希望正确的方向上把光和点投向我们，为了去寻找一个合适的关于我们的目的的说明。

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Two kinds of convex lens which make parallel light rays converge to the focal point are given.

本文给出两种能使平行光严格聚焦于一点的凸透镜。

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Many minerals in the asbestos family can absorb light with a wavelength measuring two-point three micrometers.

VOA: special.2009.11.17

Patrizia Caraveo and her colleagues, at the Istituto di Fisica Cosmica in Milan have recently reported that in two pictures taken 12 days apart by the Hubble space telescope the point of light had shifted perceptibly.

ECONOMIST: Astronomy