The practical investigation on the razor blade of scissors of steel plate was conducted and it's life was improved notablely.
并且在钢板的剪切机刀片上作了实际考核，寿命大大提高。
Adopting spherical mirror and plane mirror can notablely improve the utilization of the light source in the system of light source.
在光源系统中采用球面聚光镜和平面反射镜，可大幅提高光源的利用率。
In addition, with the increasing distance between the filament and the substrate, the crystalline volume fraction and the grain size of poly-Si films notablely decrease.
另外，随着热丝与衬底间距的增大，沉积出的多晶硅薄膜样品的晶化率明显减小，薄膜的晶粒尺寸也相应减小。
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