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- origin of coordinates of earth pole 地极坐标原点
- Hu Yi,Li Jinglu.Effect of DC earthed pole current on the neutral earthed transformer[J].Transformer,1999,36(1):15-19(in Chinese). [1]胡毅;李景录.;直流接地极电流对中性点接地变压器的影响[J]
- The Principle and Construction Essential of HVDC System Earth Pole 高压直流输电系统接地极原理及其施工要点
- On-line Monitoring System for HVDC System Earth Pole 高压直流输电系统接地极在线监测
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的?
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- Must arrange earthing poles in a side of the base or it around.The earhting resisance should be less than 4ohm to assure that the connent rain water from entering cable room. 必须在组变基础一侧或四周布好接地极;接地电阻值应小于4欧姆;并应确保组合式变电站与接地极作可靠连接.
- Antarctica is the loneliest place on earth. 南极是地球上最偏远的地区。
- He dived his hand into the earth. 他将手插入泥土中。
- Earth worms are often used as bait. 蚯蚓常用作鱼饵。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
- Many kinds of animals have vanished from the earth. 许多动物已人地球上消失了。
- The heavy wheels churned the earth into mud. 笨重的车轮将大地碾成了泥浆。
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆盖着?