“independent line of sighting”的概念、定义、翻译、参考文献-科学参考

单词	independent line of sighting
释义	independent line of sighting [´in·dǝ`pen·dǝnt ¦līn ǝv `sīd·iŋ] ^ORDNANCE A system for laying a gun, whereby the angle of site and the angle of elevation (range) mechanisms work independently of each other.
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