time variable field的意思|示意

"We've always known that the Earth's magnetic field is variable, constantly evolving in time," Raymond said.

“众所周知地球的磁场是变化的，无时无刻不在变化”雷蒙德教授说。

The second field, of type StaticLocalInitFlag, assists in initializing the variable I correctly the first time the method executes on each instance of class Foo.

第二个字段的类型为StaticLocalInitFlag，它在针对foo类的每个实例第一次执行方法时协助正确初始化变量i。

In order to accurately calculate casting temperature field, a method of simple variable time step is established which can ensure the precision of casting temperature field and the speed of calculate.

本文中提出了一种较简便确定变时间步长的方法，该方法可以确保温度场的计算精度和计算速度。

We introduce the concept of time-variable directional field, and establish the stable and unstable theorems by the qualitative method.

引入了时变方向场的概念，用定性方法建立了稳定及不稳的定理。

So the GRACE satellite time-variable gravity field can only determine water storage variation over thousands kilometers or more with high accuracy presently.

可见，当前GRACE卫星时变重力场只能确定出上千公里及以上尺度区域的水储量变化。

Using measurements of time-variable gravity field from the Gravity Recovery and Climate Experiment(GRACE)satellite, mass variations of the Antarctic ice and snow are estimated.

利用GRACE重力卫星提供的时变重力场反演了南极大陆冰雪质量变化。