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。
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。
Under this experiment condition, the light compensation point and light saturation point of the two species didn't show regularity with the change in nitrogen concentration in water.
在本实验条件下，这两种供试植物的光合补偿点和光合饱和点随氮浓度的变化没有表现出规律性。
Becke line thin band or halo of refracted light seen under a microscope at the meeting point of two substances that have different refractive indices.
在偏光显微镜下看到的在两种不同折射率物质的交界处出现的细线或光环。
Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.
现有的杂散光测量系统分为两类，分别为面源法（黑斑法）和点源法。
After the first two measures have been adopted, light oil yield has increased by 1.29 percent point with the same gasoline octane value.
采取前两项措施后，在汽油辛烷值基本不变的情况下，轻质油收率提高了1.2 9个百分点。
Curtain-style: from between the two points, at the same time on both sides until the whole bright light followed, and then point out to the middle, followed by reciprocating.
幕布式：从中间两个点，同时向两边依次点亮直至全亮，然后再向中间点灭，依次往复。
Curtain-style: from between the two points, at the same time on both sides until the whole bright light followed, and then point out to the middle, followed by reciprocating.
幕布式：从中间两个点，同时向两边依次点亮直至全亮，然后再向中间点灭，依次往复。
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