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单词 radar fence
释义

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radar fence
radar fence n. a line of radar stations for giving warning of intrusions into the air space behind it.
ΘΚΠ
the mind > attention and judgement > discovery > instrument for detection > [noun] > radar system > apparatus used in > group of
radar fence1947
radar net1948
1947 Daily Courier (Connellsville, Pa.) 8 Aug. 1/6 (headline) Eaker want radar fence built at Arctic Circle.
1957 R. Watson-Watt Three Steps to Victory Pl. facing p. 320 (caption) The 350 ft. steel lattice masts on ‘T’ site. Combined with ultra-short-wave-radiation these ensured that the outer edge of the radar fence could be set far enough from the British coasts.
1987 Science 17 July 257/1 By instantaneously restructuring this capability on command, an invisible radar fence is erected around North America.
extracted from radarn.
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更新时间:2025/1/11 16:33:35