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积温
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积温
Encyclopedia
农学
积温
释
integrated temperature,thermal time
积温
某一时段内的日平均气温对时间的积分,或某一时段日平均气温的平均值与该时段时间长度的乘积。由于日平均气温通常并非连续函数,实际工作中采取数值积分的计算方法,对相关时段内的平均气温进行逐日或逐时累加,但必须取复合单位℃•日或℃•小时。又称热时。
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electron event
electron exchange reaction
electron excited state
electron excited X-ray fluorescence spectrometry
electron excited Xray fluorescence spectrometry
electron flare
electron focusing
electron gas
electron gun
electron gyro-frequency
electron gyromagnetic ratio
electron gyro-radiation
electron-hole
electron-hole droplet
electron-hole liquid
electron hole pair
electron-hole pair
electron hole quasi Fermi level
electron-hole quasi-Fermi level
electron hole recombination
electron-hole recombination
electron holography
electronic
electronic acoustics diagnostic devices
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更新时间:2025/12/18 17:21:32