circumpolar vortex是什么意思

用法例句

The corrosion behavior of CrCoMo stainless steel in distilled water and NaCl sol ution of different concentration was investigated by cyclic polarization.

采用循环极化研究了CrCoMo不锈钢在去离子水和不同浓度NaCl溶液中的腐蚀行为,探讨了Cl-浓度对其耐蚀性能的影响。

For the linear quadratic(LQ) optimal control system, a method is proposed to choose the suitable weighting matrices which make the system have desired closed loop poles.

对线性二次最优控制系统 ,给出了选择适当加权矩阵从而保证系统具有希望闭环极点的方法。