reticule
柯林斯詞典
1. N a network of fine lines, wires, etc, placed in the focal plane of an optical instrument to assist measurement of the size or position of objects under observation (放在光學(xué)儀器焦平麪上的)格子線; 以協(xié)助在觀察下對(duì)大小或位置的測(cè)量 (Also called graticule)
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