The coating on the stock, which can cause the perforation to become lighter in depth than what was anticipated and less likely to detach as desired unless this factor is considered.
涂层的股票，这可能会导致穿孔，成为较轻的深度比预计所需，除非被认为是这个因素，不太可能分离。
2
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。
3
The effect of grinding depth on work piece surface hardness and hardness layer depth is important factor.