名词
中文翻译：Unknown
同义词：
['棋盘式瞄准镜刀口，棋盘式瞄准镜刀片，棋盘式瞄准镜刀口']
例句：
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1.The checkerboard reticle blade is a crucial component of the scope's eyepiece.
棋盘式瞄准镜刀口是望远镜目镜的关键部件。
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2.The checkerboard reticle blade is used to adjust the focus of the scope.
棋盘式瞄准镜刀口用于调整望远镜的焦距。
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3. The checkerboard reticle blade is an essential tool for hunters and shooters.
棋盘式瞄准镜刀口是猎人和射手们必备的工具。