名词
中文翻译：投影改变
同义词：
['projection modification', 'projection adjustment', 'projection change']
例句：
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1. The projector's lens needs to be changed frequently to maintain the image quality.
投影仪的镜头需要经常更换以保持图像质量。
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2. The team has made several changes to their strategy in order to improve their performance.
团队已经对策略进行了几次修改，以提高表现。
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3. The company is planning to make a major investment in its new product line.
该公司计划对其新产品线进行重大投资。