In Tazhong Area, the main factor of impacting average velocity is the depth of stratum and lithology of igneous.
在塔中地区,影响平均速度的主要因素是地层埋深和火成岩的岩性。
Objective to study the relation between the field size and depth of Fw (wedge factor) and its effect on the clinical usage.
目的研究楔形因子与照射野大小和测量深度的相关性,为临床准确使用该因子提供依据。
The effect of grinding depth on work piece surface hardness and hardness layer depth is important factor.
磨削深度是影响工件表面硬度和磨削淬硬层厚度的主要因素。
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