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- natural frequency distribution 固有频率分布
- Natural frequencies distribution of instrument-base dynamic coupled system 仪器-基础耦合振动固有频率偏移
- An interval in a frequency distribution. 组,类频数分布的一个周期
- Such classes are separated by 'natural breaks'in the frequency distribution or the analogous cumulative curve. 这样的级可由频率分布或类似的累积曲线中的自然断点划分开来。
- Such classes are separated by "natural breaks" in the frequency distribution or the analogous cumulative curve. 这样的级可由频率分布或类似的累积曲线中的自然断点划分开来。
- With the finite element software IDEAS,the strain distribution of the vanes of hydraulic turbine and the natural frequency of the rotor wheel was calculated. 利用IDEAS软件对大型混流式水轮机组转轮进行有限元计算,求得转轮叶片的应力分布情况和转轮的固有频率。
- The number of measurements in an interval of a frequency distribution. 频率分布一次频率分布的区间内计算的数量
- It is the natural frequency of emission of the hydrogen atoms in space . 这是空间氢原子“释放”的自然频率。
- The frequency distribution of VDR genotype was bb86 0%,Bb10 0% and BB4 0%. VDR基因型分布频率为BB型 4 0%25 ,Bb型 10 0%25 ,bb型 86 0%25 ;
- It is the natural frequency of emission of the hydrogen atoms in space. 这是空间氢原子“释放”的自然频率。
- The natural frequency of specimen decreases as the crack length increases. 随着裂纹长度的增加,试样的固有频率逐渐减小。
- The difference or interval between the smallest and largest values in a frequency distribution. 极差频率分布上最大值与最小值之间的差别或距离
- A frequency distribution shows the number of observations from the data set that fall into each of the classes. 频率分布反映出落入每一组的观察值个数。
- One way we can compress data is to use a frequency table or a frequency distribution. 压缩资料的一种有效方法是编制频率表或频率分布。
- Equation (4-198) yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)给出了一级近似下的固有振动频率的改变量。
- The swing is a pendulum with a single natural frequency depending on its length. 秋千是只有一个固有频率的摆,此频率决定于它的长度。
- A cumulative frequency distribution enables us to see how many observations lie above or below certain values. 累计频率分布反映在某个值以下,或在某个值以上有多少个观察值。
- Equation(4-198)yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)给出了一级近似下的固有振动频率的改变量。
- The Six Sigma Black Belt should be able to compute the mean and standard deviation from a grouped frequency distribution. 西格玛黑带应能从一组频次分布数据计算出均值和标准偏差。
- The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline. 利用有限元法求解声学波动方程,建立了管内气流的有限元运动方程,计算出管内气柱的固有频率和气流压力脉动。