| 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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