名词
中文翻译：焦点减小器同义词
同义词：
['focus reducer', 'focal point reducer']
例句：
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1. The focal reducer in the camera lens is responsible for sharpening images.
相机镜头中的焦点减小器负责使图像变清晰。
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2. The focal reducer in the microscope helps to focus the light on the sample.
显微镜中的焦点减小器有助于将光线聚焦在样本上。
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3. In this project, we need to carefully adjust the focal reducer to achieve the desired resolution.
在这个项目中，我们需要仔细调整焦点减小器以获得所需的分辨率。