名词
中文翻译：光束尺寸
同义词：
["光斑大小，光点大小例句：1. The camera's beam spot size is measured in millimeters.（相机的光束斑点大小以毫米为单位测量。）"]
例句：
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1. The camera's beam spot size is measured in millimeters.
相机的光束斑点大小以毫米为单位测量。
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2.The engineer measured the beam spot size to ensure accuracy.
工程师测量光束斑点大小以确保准确性。
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3. The beam spot size of this laser is very small, making it ideal for close-range work.
这种激光的光束斑点非常小，非常适合近距离工作。