earth field magnetometer 地磁场磁强计 crossed electric and magnetic field 正交电磁场 cusped magnetic field 会切磁场 相似单词 earth's a. 地球的,土地的 earth n. 1.(also Earth, the Earth)[U,sing]地球,世界 2.[U,sing.]陆地,地面,大地 3.[U]土,泥,泥土 4.[C]兽穴,(尤指狐狸栖息的)洞...
The Earth's magnetic field _. A. is evenly distributed all over the Earth B. is stronger at the poles than at the equator C. has no influence on the atmosphere D. only E. xists above the surface 相关知识点: 试题来源: 解析 B。解析:地球磁场在两极比在赤道更强。地球磁场并不是均匀...
根据原文内容填空磁场The earth's magnetic field(磁场)exists everywherein our life, but we cannot see, feel, hear or touch. Deepin the earth, there is a very hot liquid(液体). As itmoves around, it develops magnetism. It surrounds theearth with a powerful magnetic field. If the earth's...
earth's magnetic field ▾ 英语-中文正在建设中 earth'smagneticfield 地球磁场() the earth's magnetic field 地磁场() 也可见: magnetic名— 磁名 · 磁场名 · 磁性名 · 磁力名 · 磁粉名 magnetic fields复— 磁场名 field名— 场名 ·
The Earth's magnetic field ___ constantly changing. A. is B. was C. will be D. would be 相关知识点: 试题来源: 解析 A。本题考查现在进行时态。“地球的磁场在不断变化”表示现阶段正在进行的动作,所以用现在进行时态 is constantly changing。反馈 收藏 ...
美 英 un.地磁场 英汉 un. 1. 地磁场 例句 释义: 全部,地磁场 更多例句筛选
语法填空Analysis finds the Earth's magnetic field(磁场) was inplace by at least 3.7 billion years ago, as early life arose.Scientists think that having a magnetic field 4.(make)the Earth more friendly to life. The field, 5.isgenerated by liquid iron moving about in the planet's core,pr...
This is because the magnetic field(磁场) of the Earth "protects" us from the "wind".At the North and South Poles, however, some particles may get in and meet with the Earth's air. Then, the particles get "excited" and have a "dance" with the air. So, we can see the moving aur...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook geomagnetic (redirected fromEarth's magnetic field) Encyclopedia Wikipedia ge·o·mag·ne·tism (jē′ō-măg′nĭ-tĭz′əm) n. 1.The magnetism of the earth. ...
C.the magnetic strength of the Earth will disappearD.the magnetic strength of the Earth will be stronger 相关知识点: 试题来源: 解析 B 第三段第四句开始:磁场的转换给人类和动物带来许多问题。宇航员和卫星会遇到很多困难,依靠磁场指示方向迁徙的鸟类、鱼类和其他动物会在迁徙中失去方向。