您要查找的是不是:
- The changs of aerosol concentration and cosmic ray also affects the electric field in fair weather regions, the ground current density and the electric field. 气溶胶浓度和宇宙射线的变化也会影响到晴天区电场以及雷暴区地面电流密度和电场;
- It points out that even very small ground current could also produce very high overvoltage, and in network of small ground current the singte phase arc earthing is principally expressed as high frequency arc suppressing. 指出:即使很小的接地电流也会产生很大的过电压,而且在小接地电流电网中单相弧光接地主要表现为高频熄弧。
- steel plate ground current testing apparatus 钢板地电流测量装置
- If a small potential difference exists between two ground points, some ground currents may flow through a sensitive part of the system. 如果在两个接地点存在一个小的电势差,在系统的敏感部分就会有接地电流通过。
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世,现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- They put some wreathes on the ground. 他们把一些花环放在地上。
- The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
- He takes his ground on intuition. 他的意见是凭直觉。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
- Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。
- The fence posts were fixed firmly in the ground. 栅栏的立柱牢牢地固定在地上。
- The ground is shut in by a wire fence. 那块地被铁丝篱笆围住。
- Last winter the snow lay thick on the ground. 去年冬天,地上积雪很厚。
- His fist sent the robber sprawling on the ground. 他一拳把那抢劫犯打得四脚朝天。
- He was busy leveling the ground and laying turves. 他正忙于平整土地铺草皮。