| 词汇 | emissivity |
| 释义 | emissivity noun [ U ] physics specialized /ˌem.ɪˈsɪv.ə.ti/ /ˌem.əˈsɪv.ə.t̬i/ 发射率 the ability of an object to emit (= send out) heat, compared to the heat emitted by a black object of the same temperature This machine measures the emissivity of the surface of Venus. 这台机器测量金星表面的发射率。 These new houses offer residents energy-saving amenities such as low emissivity glass windows. Related word: emit
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