The study results show that the approximation of constant flux layer can not come into existence basically in the surface layer over vegetation land.
结果表明：理论的核心——近地层为常数通量层的近似假设在有植被陆面上是基本不成立的。
2
The applicable condition of adiabatic approximation in the system of strong nonlinear over damping oscillator is the equation (5).
强非线性过阻尼振子系统中绝热近似的适用条件是(5)式。
3
Aggregation query over high rate data streams: basically, most existing aggregation algorithms adopt the approximation technology to obtain the advancement of rate by sacrificing the accuracy.