On review of the theories of wave-mean flow interaction and non acceleration, theorem, and the corresponding numerical analyses, the dynamical mechanism of variation of westerly index is discussed.
通过波流相互作用和无加速定理的讨论以及相应的数值分析，本文介绍有关纬向平均西风变化的近期研究成果。
2
The interaction characteristics between reinforcements and soil are the key index in reinforced earth, which determines the stability of reinforced earth.
在加筋土工程中加筋与填土间的界面作用特性是最关键的技术指标，直接决定该工程的稳定性。
3
The relation and the interaction of the index are studied.