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1·Those in the dark are in no position to light the way for others.; Persons in the dark cannot light the way for others.

以其昏昏， 使人昭昭是不行的。《新英汉大辞典》

2·By analysing data from a sensor that detects light in both the visible and the near-infra-red spectrum, a computer is able to determine the colour, type, shape and position of each item.

另外，内置传感器可在可视光谱与似乎红外光谱下探测到光线，计算机通过分析传感器的数据后便能够决定每个物件的颜色、类型、形状与位置。

3·One well-known hologram of that era captured in red laser light a chessboard on which pieces could be viewed from various angles as a viewer shifted position.

一幅当时著名的全息图，是用红色激光拍摄的一个棋盘，当观察者移动位置时，可以从不同的视角观察棋盘上的棋子。

4·We then used a quartz calcite, which has an effect on light that depends on the direction the light is propagating, to measure the direction as a function of position.

然后，我们用石英方解石测量作为位置函数的方向，石英方解石对光的影响这取决于光线的传播方向。

5·When the sun goes down the solar trees will return to their original position to give off a full spectrum of light to the street and pedestrians below.

日落后“太阳树”会回复到最初的位置，发出全光谱光线，为下面的街道和行人提供照明。

6·After a while, there was one position that I applied to when I had just started to give up that seemed to be the light at the end of the tunnel.

不久后，就在我准备放弃的时候申请了一个职位，这就像是隧道尽头的一点希望之光。

7·A directional light doesn't have a position, only a direction.

定向光没有位置，只有方向。

8·As a result, Snow is believed to already be bigger than Bud Light and its position at the top of the global booze league is expected to be confirmed at the end of the year.

因此，业界相信雪花已经超越了Bud Light，全球酒业市场老大的地位也会在今年年末得到确认。

9·Her position before was sheltered from the light; now, I had a distinct view of her whole figure and countenance.

之前，她所处的位置在背光的地方；现在，我看清楚了她的体形和面容。 她很苗条，明显还处于少女的年龄阶段：长得极好，看着这张非常精致的脸让我感到从未有过的荣幸。

10·The polygonal segments of the surface react to ultra-violet light, mapping the position and intensity of solar rays.

其表面的多角形组成部分对紫外光产生反应，映射太阳光线的方位和强度。