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单词
group velocity
释义
group velocity
Encyclopedia
理学
声波导
释
group velocity
群速度
波包在空间的传播速度。
理学
﹝固体动力学﹞
释
group velocity
群速度
波动力学中波群的包络或振幅的最大值在介质中的传播速度，定义为波的频率对波数的偏导数，也是波的能量在介质中传播的速度。
Physics
光学、声学
声学
group velocity
群速[度]
＞声学＞声学基础理论＞释义
group velocity
群速度
group velocity
群速
†
，群速度
Mathematics
group velocity
群速度
Astronomy
group velocity
群速度
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distributivity
distributivity law
distributor
distributor type fuel injection pump
district cooling source
district cooling system
district defender
district heating
district heating by regional boiler plant
district heating equipment
district heating network
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更新时间：2026/1/17 15:16:19