ionosphere
n.电离层
难易程度:
ionosphere为短语/超纲词汇
词形变化:
形容词:ionospheric
ionosphere
/aɪ'ɒnəsfɪə(r); aɪ`ɑnə,sfɪr/
n [sing] set of layers of the earth's atmosphere that reflect radio waves round the earth 电离层. Cf 参看 Heaviside layer, stratosphere.
n [sing] set of layers of the earth's atmosphere that reflect radio waves round the earth 电离层. Cf 参看 Heaviside layer, stratosphere.
ionosphere
n
[Date: 1900-2000; Origin: ion + -sphere (as in atmosphere)]
the ionosphere
the part of the atmosphere which is used to help send radio waves around the Earth
[Date: 1900-2000; Origin: ion + -sphere (as in atmosphere)]
the ionosphere
the part of the atmosphere which is used to help send radio waves around the Earth
1. Rockets and artificial satellites can go far above the ionosphere, and even escape from the Earth.
火箭和人造卫星能够达到远远高出电离层的空间，甚至摆脱地球引力。
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火箭和人造卫星能够达到远远高出电离层的空间，甚至摆脱地球引力。
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