| 单词 | unit time |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔current density〕Physics The number of subatomic particles per unit time crossing a unit area in a designated plane perpendicular to the direction of movement of the particles.【物理学】 粒子流密度：在与粒子的移动方向垂直的指定平面上每单位时间内通过每单位面积的亚原子粒子的数量美国传统〔current〕The amount of electric charge flowing past a specified circuit point per unit time.电流强度：单位时间内通过电路上某一确定点的电荷数美国传统〔differential rate〕A difference in the transportation rate or the number of vehicles per unit time to the same destination over different routes, so as to equalize traffic.运费差价：单位时间内途经不同路线到达同一目的地时，在交通运费或运输工具数量上的差异，以便平衡运输量美国传统〔frequency〕The number of complete cycles of a periodic process occurring per unit time.次数：单位时间内周期过程中发生的次数美国传统〔frequency〕The number of repetitions per unit time of a complete waveform, as of an electric current.频率：单位时间内某种完整波动的重复次数，例如电流美国传统〔power〕Physics The rate at which work is done, expressed as the amount of work per unit time and commonly measured in units such as the watt and horsepower.【物理学】 功率：做功的速率，用每单位时间内所做的功的量来表示，通常用瓦特和马力为单位美国传统〔radiance〕Physics The radiant energy emitted per unit time in a specified direction by a unit area of an emitting surface.【物理学】 辐射能：单位辐射平面在单位时间内向某一方向发出辐射能美国传统〔renal clearance〕The volume of plasma completely cleared of a specific compound per unit time and measured as a test of kidney function.肾清除率：每一单位时间内完全清除了某一特定的化合物的血浆的数量，作为测试肾脏功能的度量美国传统 |
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