| 单词 | skip distance |
| 释义 | > as lemmasskip distance skip distance n. ΚΠ 1926 Physical Rev. 27 189 Larmor's theory of refraction due to the electrons of the Kennelly-Heaviside layer does not explain the ‘skip distances’ for short radio waves. 1930 B.B.C. Year-bk. 451/2 Skip distance, the distance between the point where the direct ray from a transmitting station becomes so attenuated as to be inaudible, and the point where the reflected or indirect ray strikes the earth's surface. The skip distance is a function of the wave-length employed and increases with a decrease in wave-length. 1931 Observer 8 Nov. 18/5 The shorter the wave, the greater the ‘skip’ distance as a rule. 1977 T. Allbeury Man with President's Mind vii. 75 The radiated strength was fifty kilowatts..a power of about seventy-five kilometres due east. It would be the skip distance that carried it to Washington, or a relay from London. < as lemmas |
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