It is necessary for the undercurrent to strongen in the western Pacific Ocean and for the sea surfacecurrent to weaken in the eastern Pacific Ocean.
赤道西太平洋潜流和东太平洋南赤道流减弱是产生厄尔尼诺的必要条件。
2
Besides the authors advance a new calculation method that volume current density caused by saturation, medium is turned into equivalent surfacecurrent density.
提出了将媒质中由饱和引起的体电流密度化为等效面电流密度的计算方法。
3
The measuring methods of D C TIG welding arc anode sheet surfacecurrent density split sheet method and probe (made by ourselves) method were analysed and compared.