“ramp sight”的概念、定义、翻译、参考文献-科学参考

单词	ramp sight
释义	ramp sight [`ramp ´sīt] ^ORDNANCE Type of metallic gun sight in which the aperture is raised or lowered by moving it forward or backward on an inclined ramp.
随便看	orthonormal vectors orthopedics Orthoperidae ortho-phenyl tolyl ketone orthophosphate orthophosphoric acid orthophotograph ortho-phthalic acid orthophyric orthopinacoid orthopnea orthopositronium Orthopsida Orthopsidae Orthoptera orthoptic orthopyroxene orthoquartzite orthoquartzitic conglomerate orthoquartzitic sandstone orthorhombic lattice orthorhombic pyroxene orthorhombic system Orthorrhapha orthoschist

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