The nonlinear equation for remote sensing of water vapor was linearized by means of variation method. The effective range of linearized equation is examined.
运用变分的方法将遥感水汽的非线性方程线性化，讨论了线性化遥感方程的适用范围。
At the same time, the method of applying half - range function tO the internal - force equation of straight bar is illustrated.
同时说明半幅函数在建立直杆内力方程中的应用方法。
In this method, the effect of most real environment factors is considered with parabolic equation. Finally, the method of building and rendering 3d model of radar maximum detection range is given.
该方法综合考虑真实环境因素的影响，采用了抛物方程方法，最后给出了雷达最大探测范围三维模型的建立和表现方法。
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