“distant early-warning line”的概念、定义、翻译、参考文献-科学参考

单词	distant early-warning line
释义	distant early-warning line [`dis·tǝnt ´ǝr·lē `wȯrn·iŋ ´līn] ^ORDNANCE Defense line of radar stations at about the 70th parallel on the North American continent.
随便看	yellow prussiate of potash yellow prussiate of soda yellow pyoktanin yellow pyrite yellow quartz yellows yellow salt yellow scale Yellow Sea yellow snow yellow tellurium Yerkes system yew Y factor Y fitting Y gun yield yield factor yielding arches yielding floor yielding prop yield-pillar system yield point yield rate yield strength

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