flow field variation 流场变化
stress field variation 应力场变化
gravity field variation 重力场变化
temperature field variation 温度场变化
geomagnetic field variation 地磁场变化
precipitation field variation 降水量场变化
earth's gravity field variation 地球重力场变化
speed control by field variation 变磁通调速
variation of field strength 电场强度变化
The earthquake prediction based on the geoelectric field variation is still in period of fumble and discussion.
地电场的地震预报研究目前处于摸索探讨阶段。
Heat transfer performance of different backfill materials and temperature field variation of ground-coupled heat pump system are studied.
试验研究了两种不同回填材料地埋管换热器的热响应性能、地源热泵运行对地源温度场的作用。
Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin-groyne.
实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律;
So, instead of having the periodic variation of water, or the periodic variation of air density here we're talking about an electric field.
不像水或者空气密度的,周期变化,我们这里,讨论的是电场。
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