Since particular light spectrum is absorbed by this material, the remain light is so weak that it cannot be felt by human eyes, then object itself disappears from view as if it doesn't exist.
这种材料吸收了特定的光线，人的肉眼是感受不到比较微弱的光线，就好像物体不存在一样。
The cross-section symbol of the pattern fill is a necessary material marker for the cross-sectional view of the solid object.
填充图剖面符号是机械制图、建筑制图中实体剖视图必不可少的材料标识。
In view of the standard and unity of the investigation material, the investigated object was limited to the university graduates graduated in 2008 in Changsha, Hunan Province.
考虑到调查资料的统一性，本研究把调查对象限定为长沙地区就读的2008届的应届本科毕业生。
In view of the standard and unity of the investigation material, the investigated object was limited to the university graduates graduated in 2008 in Changsha, Hunan Province.
考虑到调查资料的统一性，本研究把调查对象限定为长沙地区就读的2008届的应届本科毕业生。
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