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- frequency in velocity changer 变频调速器
- Her frequency in English is a plus in her job. 利的英语是工作中一个有利因素。
- Force: a push on an object that infers a change in velocity. 力场:推动一个物体使其产生速度变化。
- The higher frequency in the gains of chromosome No. 结果表明,鼻咽癌染色体畸变具有类型广泛、畸变率高等特点。
- GSR plans to double the Ghan’s frequency in 2005. 2005年,“大南方铁路”计划将乘坐甘线列车的乘客人次增加一倍。
- Phenomenon of the change in velocity of propagation of monochromatic radiations in a medium as a function of the frequency of these radiations. 在介质中传播的单色光改变其传输速度的现象,并由该辐射的频率所决定的。
- Impacts of ENSO on Snowfall Frequencies in the United States. ENSO对美国降水频率的影响。
- Culture can profoundly influence gene frequencies in a population. 文化能深刻地影响群体中的基因频率。
- This paper discusses the application of joint estimation of DOA and Doppler velocity in passive bistatic radar, and analyzes emphatically the passive detection of target echo frequency in passive bistatic radar. 将 DOA与多普勒速度的联合估计定位应用于双基地雷达 ,重点分析双基地雷达系统中对目标回波频率量的无源检测方法。
- This nonlinear change in friction force over a small change in velocity results in uncomfortable feeling when people hitchhike hydraulic lift. 该摩擦力的非线性改变使速度产生变化,导致人们在搭乘液压电梯时产生不舒适感。
- ADDRESSING AND COMMUNICATION SYSTEM ACCELERATION, The rate of change in velocity with respect to time. 加速度,随时间变化的速度改变率。
- An electronic device that is capable of relaying a signal without attenuation in velocity. 人造神经纤维一处能中转传递信号的电子装置,无速度上的衰减。
- Parkinson's disease occurs with increasing frequency in older people. 帕金森氏病在老头身上 更为频发.
- The assumption that there is no lateral velocity variation in a stratum is usually made in velocity analysis. 通常进行速度分析时仅设地层没有速度横向变化,但是实际情况并非如此。
- There have been cycles of storm intensity and frequency in the past. 过去,风暴强度和频率有循环期。
- The hertz (Hz), a unit of frequency in cycles per second, is named for him. 频率单位hertz(Hz,等于每秒周数)即是以他的名字命名。
- Negative coefficients occur where there is a downward decrease in velocity and density: for example, at the top of an over pressured shale diapir. 只有当速度和密度向下减少时,例如在超压页岩穿刺体的顶部,反射系数才会出现负值。
- Acceleration: a change in velocity with respect to time. Values are either positive or negative with standard orientation. 加速度:速度相对时间的变化。加速度值根据确定的方向而为正或者负。
- By comparing two successive displacements of the ball, we can find the change in velocity in the corresponding time interval. 比较球的先后相继的两个位移,就可求出对应于这段时间内的速度变化。
- Equivalent offset migration(EOM)method,which has particular advantages in velocity analysis and imaging,provides ideas for scattered wave imaging. 研究表明,基于等效偏移距的偏移方法(EOM)在速度分析和偏移成像方面具有独特的优势,为散射波成像方法研究提供了思路。