这种方法是通过观测精密薄板玻璃和基准平面反射同一参考物的像，检测两个像分离的程度来判定精密薄板玻璃的翘曲度。
The method can detect the warp by observing the distance between the two images reflected from the precision sheet glass and the standard plate for the same reference object.
这些是世界银行给出的判定标准：如果一个人的收入低于一个基准线，那他就可以算作贫困，基准线根据购买水平而变化。
These World Bank measures judge a person to be poor if his income falls short of a given level, adjusted for differences in purchasing power.
这种方法是通过观测精密薄板玻璃和基准平面反射同一参考物的像，检测两个像分离的程度来判定精密薄板玻璃的翘曲度。
Methods A reference object whose area is known to the wound is set and the digital image processing is utilized to measure the wound area.
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