“axis of sighting”的概念、定义、翻译、参考文献-科学参考

单词	axis of sighting
释义	axis of sighting [`ak·sǝs ǝv `sīd·iŋ] ^ENGINEERING A line taken through the sights of a gun, or through the optical center and centers of curvature of lenses in any telescopic instrument.
随便看	rayon coning oil rayon staple rayon tow ray parameter ray path ray shake ray surface ray system ray tracing Razin effect razon razorback razor stone Rb RBE R-branch RBS R-C amplifier RC asphalt R-C circuit R-C constant R-C coupled amplifier R-C coupling R center RCM

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