unstable stratification

常见例句

Furthermore, the convergence of the cold and temperature advection over Longmen Mountain increased the instability of unstable stratification.
同时冷、暖平流在龙门山上空交汇，使得大气层结不稳定性增强。
The results show that the squall line occurred under an unstable stratification, in which it was dry and cold at the upper level, wet and warm at the lower troposphere;
结果表明：飑线发生在高空低涡后部横槽前上干冷下暖湿的不稳定层结中，高空急流和地面切变线对不稳定能量的释放有触发作用；
qk.cams.cma.gov.cn
It is easier to understand the formation of the strong updraft in the case of an unstable stratification but it is more complex in describing the process of the downdraft inside the cloud.
在条件不稳定大气中，一支强湿上升气流的形成是很容易理解的，但一支湿下沉气流的发生则比较复杂。