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- The vibration frequency of the vocal cords determines the pitch of the voices. 声门震动的快,决定声音的基本频率(即音高)。
- For example, vibration frequency of 440 times per second, the vibration cycle for each 1 / 440 second, this is the time of the wavelength. 例如振动频率为每秒钟440次,则振动周期为每次1/440秒,这也就是时间中的波长。
- Vibration Method: This method is measured by accelerometer probe vibration frequency of a way to pump method is simple, but relatively low sensitivity. 振动法:这种方法是通过加速度计探头测量泵体振动频率的一种方法,方法简单,但灵敏度较低。
- The dominant blast vibration frequency affects the evaluation of slope stability under the condition of blast vibration via its being close to the natural frequency of slope. 爆破振动主频就是通过对边坡自振频率的接近程度来影响其对边坡的稳定性评价,故求得边坡自振频率具有十分重要的意义。
- This frequency range is proximate to main vibration frequency of the traction machine at rated speed, and, according to this, measures against elevator resonance are proposed. 并针对该频率区与曳引机主机额定转速-主振频率接近的特点,提出了防止电梯发生系统共振的措施。
- Infrared spectrum was obtained by liquid film method,many functional groups could be identified by their characteris tic vibration frequency of the infrared spectra. 在红外光谱分析中,采用液膜法测定红外光谱图提供官能团的有关信息确定溶剂可能结构。
- In the case of isotropic consolidation, the effect of ambient pressure on the increment of the cumulated axial strain was determined by the vibration frequency of wave load. 在等向固结条件下围压对土样的累积轴向应变增长的影响作用是由波浪荷载振动频率的高低决定的;
- An experiment was done for the free vibration frequency of a singlespan and simple supported liquid pipe,resulting in the relationship bet-ween the free vibration frequency and the flow velocity. 实验对单跨简支输液管道的自由振动频率进行了测试,得到了自由振动频率随流速变化的关系。
- The higher the cooling intensity and the vibration frequency of the crystal nucleus eradiation equipment, the more the number of the crystal grain, as well as the smaller the particle diameter. 晶核发射器的冷却强度越大、振动频率越高,则形成的晶粒数量越多且粒径越小;
- Prints msg on lower right of screen. 用指定颜色在屏幕右下角显示指定信息。
- It also raises the vibrational frequency of the energy field that gives life to the physical body. 它还能提升给肉体带来活力的能量场的震动频度。
- The clock vibrating frequency of electronic gauge changes from formation temperature. 电子压力计时钟振荡频率随地层温度的变化而变化。
- Analysis on Self- vibration Frequency of Strut Beam 弹性支承梁自振频率分析
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Could you tell me how many kinds of screen are there? 能告诉我掩护有几种吗?
- The vibrating frequency of the quartz crystal in the electronic watch is counted by the circuits to make the hour, minute and second. 电子表中的石英晶体的振荡频率是由线路计数来定小时、分和秒。
- The result shows that when the engine is in idling,its vibrating frequency is close to the natural frequency of the body frame. 结果显示,当发动机在怠速工况时,它的振动频率接近于客车车身骨架的固有频率,易发生共振,应尽量避免。
- This kind of screen is not corroded by water and mud. 这种筛布不怕水和泥浆腐蚀。
- Reagarding the inertia force of rotor as the force acting on the shaft, the effect of thermal expansion upon the natural transversal vibration frequencies of rotor system is studied by a new nonlinear asymptotic method. 摘要把转子的惯性力看成作用在轴上的外力,采用新的非线性渐近法研究热膨胀对转子系统固有横振频率的影响。
- Relationship between jointed slab and void of elastic foundation and acoustic features of resonator is studied by acoustic vibration. The vibration frequencies of jointed slab with or without void are calculated and analyzed by finite element method(FEM). 采用声振法研究接缝和弹性地基脱空与声学特征变化的关系,利用有限元方法分析了有、无脱空接缝板的振动频率。