| 单词 | actinometer |
| 释义 | Word Frequency actinometer(ˌæktɪˈnɒmɪtə) noun an instrument for measuring the intensity of radiation, esp of the sun's rays Derived forms actinometric (ˌæktɪnəʊˈmɛtrɪk) or actinometrical (ˌactinoˈmetrical) adjective actinometry (ˌactiˈnometry) noun |
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