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- the earth electric field 大地电场
- One scientist, Dr.Sydney Chapman, has tried to explain the electric field which surrounds the earth. 有位科学家，悉得尼o查普曼博士，试图解释包围了地球的电磁场。
- earth electric field lithology detection 大地电场岩性探测
- Magnetotelluric (MT) sounding is an important geophysical means to study the Earth electrical structure using the natural EM field as its source. 大地电磁测深法(MT)是以天然电磁场为场源研究地球内部电性结构的一种重要的地球物理手段。
- 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 research of lead electrode for earth electric field 大地电场铅电极的研制
- 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。
- 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 red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- So far we have considered the electric field only. 以上我们仅仅讨论了电场。
- He dived his hand into the earth. 他将手插入泥土中。
- 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？
- The heated air drinks up the moisture of the earth. 热空气把土里的湿气都吸干了。
- Test for the observational system of earth electric field with deep burying lead electrode 大地电场观测深埋铅电极测量系统试验
- A sweet smell emanates from the earth after rain. 雨後一种香气从地面发散出来。
- There are millions of living things on the earth. 世界上有数以百万计的生物。
