英语语法分析

From this, we obtain some sufficient conditions for hypoellipticity and local solvability of those operators.

由此得出了判别重特征线性偏微分算子亚椭园性和局部可解性的若干充分条件。

It is proved that the substitituon mapping is a proper Fourier integral operator with generalized hypoellipticity.

证明了变量替换映射是一个具广义亚椭园性的适的富里叶积分算子。