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1·From the epicenter of the distance to the source told focal depth.

从震中到震源的距离叫震源深度。

2·Focal depth of laser beam is advanced by diffraction optical element in this paper.

本文使用衍射光学元件来提高激光束的焦深。

3·A modified fractal zone plate (FZP) with the character of extending the focal depth is proposed.

提出了一种具有增大焦深特性的改进型分形波带片(fzp)。

4·The local horizontal dislocation reaches about 4 km in the medium at the focal depth, where the upper mantle rises.

在震源深度附近的介质中，局部水平错动可达4公里左右，上地幔顶部在此隆起。

5·The principle for improving microlithographic resolution and focal depth with phaseshifting mask is described in detail in the paper.

详细地论述了相移掩模提高光刻分辨力和改善焦深的原理。

6·The analysis of the lateral and axial properties shows that the focal depth of the modified FZP is larger than the FZP under the broadband lighting.

分别从横向和纵向两个方面分析了改进型分形波带片的光场分布，结果表明，在宽带光照明下，改进型分形波带片的焦深也大于常规的分形波带片。

7·Focal depth plays an important role in optical storage systems, and high focal depth makes the focusing servo system easy to track the disk surface.

焦深在高密度光盘存储系统中具有十分重要的作用，大焦深可以使调焦伺服系统容易跟踪盘面。

8·The major features of this method are: (1) it separates estimations of focal depth and origin time from estimations of epicenter location corrections;

此方法的主要特点是：1。震中位置与震源深度、发震时刻分离求解；

9·Focal depth of the earthquake is the most in 1963 in Indonesia Irian Jaya province in northern waters of the 5.8 earthquake, the focal depth of 786 km.

震源深度最深的地震是1963年发生印度尼西亚伊里安查亚省北部海域的5.8级地震，震源深度786公里。

10·The rupture surface is to NNE, similar to gradient belt of focal depth, gradient belt of crustal deformation, isoseisms and extended direction of earthquakes.

伽师强震群的破裂断层面为北东向，与震源深度梯度变化带、地壳接触变形梯度变化带、等烈度线以及地震扩展方向吻合；