... focal vitreous degeneration ==> 局灶性玻璃样变,局灶性玻璃样变 focal zone ==> 聚焦带,聚焦带 focal-plane modulator ==> 焦平面调制器 ...
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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)。
The results indicate that flat-top beam shaping and single-circle beam shaping at the focal plane can all be realized by using three-zone annular phase pupil filters.
模拟结果表明，利用三环相位光瞳滤波器，不仅可以在焦面上实现光强的平顶分布，而且还可以得到单环衍射光束。
We built a seismotectonic model for the west part of this zone from data of geological profiles, deep crust seismic detection and earthquake focal mechanisms in this paper.
文中通过地质构造剖面、深部探测资料和地震震源机制解资料，综合研究了该区的地震构造模型。
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