针对砂岩型铀矿体上氡气场低值区对应矿体而高值异常场对应矿体两端的特点，以矿体端点高值异常峰值点为中心进行二维等步长剖分，得出差分方程，为问题的进一步研究提供一种算法思路。
Study on 2-D finite difference method on the center of either high anomaly radon fields in view of the character of radon field over sandstone-type uranium provide an algorithm for further research.
介绍了一种新型激光三维成像方法，该方法用条纹管作为成像系统的接收端，使激光三维成像雷达具有高帧频、大视场角的特点。
A new type of three-dimensional (3D) imaging laser radar is introduced. It uses streak tube as the receiver, which makes the radar have the peculiarities of high frame rate and wide range angle.
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