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单词 photometry
例句 DEFINITIVE EXAMPLES 权威例句〔UBV photometry〕Photometry used to obtain stellar magnitudes by comparing observed magnitudes to a standard sequence of stars.紫外蓝光视觉测光法:把观察到的星星的光度和恒星的一个标准顺序相比较,用来获得星光亮度的测光法美国传统〔silver chloride〕A white granular powder, AgCl, that turns dark on exposure to light and is used in photographic emulsions, photometry, and silver plating.氯化银:一种白色颗粒状粉末AgCl,见光后变黑,用作照相时的感光乳剂、测光和镀银美国传统
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