设计了一种利用直接记录法(光子计数法)测量农药荧光寿命的测试系统。

A test system for fluorescence lifetimes of pesticides is designed by means of the direct record method (the Photon Counting Technique).

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本文提出的“射线参数法”，可由多道地震记录谱直接估算层速度或层速度线性梯度值。

A new method, the ray parameter method, is presented in this paper to derive velocity - or its linear gradient-depth information, directly from multi-channel seismic data.

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