但是即使很难确定人一心寻死之时那确切的一刹那，一小步，但是从行为本身中推导出其结果要相对容易一些。
But if it is hard to fix the precise instant, the subtle step when the mind opted for death, it is easier to deduce from the act itself the consequences it implies.
进一步推导了焦斑质心位置对光束近场强度分布和相位斜率分布的依赖关系式，并对该式清晰的物理意义进行了阐述。
The centroid position of the focal spot directly depending on intensity distribution and phase slope distribution of near field is derived and its physical meaning is described.
本文以国产并条机为例，分析了并条机上须条与压力棒上摩擦力界的分布，并进一步推导出了须条对压力棒包围角度的最佳范围。
In this paper, friction field distribution between sliver and pressure bar on a homebred drawing frame is analyzed, and on this basis, the best range of contact arc is deduced.
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