若密度比、静温比相同或相近时，速度差对总压损失的影响可忽略。
The effect of the velocity difference on total pressure loss may be neglected, if the density and the static temperature difference are equal.
速度差各分量的变化具有很明显的周期性且与卫星轨道的运行周期相吻合。
The variations of velocity difference have obvious periodicity, which coincides with the satellite orbit period.
传动装置有两个差速器，一个用于产生向前和向后的运动，另一个在两侧形成速度差。
The drive train users two differentials, with one to produce forward and reverse motion and the other to produce a difference in speed between the two sides.
在舰船尾流区与非尾流区之间存在显著的速度差和盐度（或密度）差，利用电导率探头可获得对应于这些差别的尾流电导率信号。
Velocity and salinity(or density) differences between the wake area and non-wake area of a surface ship may be measured with an electric conductivity probe.
分别求出了磁液动密封中磁液和被密封液体的速度分布，特别是磁液作为非牛顿流体运动方程的解，并计算了两相液体界面的速度差。
The motion equations of sealed liquid and magnetic liquid which is considered to be non-Newton fluid in magnetic liquid seal were solved respectively and their speed distributions were got.
仅仅有速度还不能提供易用性(尽管性能差的网站的易用性肯定不好)，但是我考虑的工具可以在不损害站点其他方面的情况下提高性能。
Speed alone doesn't provide usability (although under-performing sites aren't very usable), but the tools I consider can make a speed difference without harming other aspects of your site.
回声测深仪是用来测量水深的一种声学测量设备，其以水中超声波的传播速度为确定条件，利用发射波与反射回波时间差来测量水深。
Echo Sounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.
实验用氮气以不同的驱替速度和驱替压差驱替岩心，得到由速敏性引起的渗透率损害及相关分析结果。
Nitrogen gas with different displacing velocity and pressure was used to displace the core in testing, the permeability damage and correlation analysis caused by velocity sensitivity were obtained.
用速度平差法求解目标运动要素是潜艇作战中常用的目标运动要素求解方法。
The least square method about velocity is used usually to solve the essential factors of target motion in submarine operation.
该方法通过应用多个时间步长替代传统非均匀时域有限差分(NU - FDTD)法的单一时间步长的算法来提高计算速度。
The algorithm USES multi-time steps to replace single time step in traditional non-uniform finite-difference time-domain (NU-FDTD) method to enhance the computing speed.
该算法克服了DFS算法收敛性差和模拟退火(SA)算法收敛速度慢的缺点。
Compared with traditional DFS algorithm and simulated annealing (SA) algorithm, the proposed algorithm possesses better convergency and high convergence rate.
针对滑差频率型矢量控制交流调速系统，设计了一种将模糊控制和PID控制的优点相结合的模糊pid速度调节器。
Aiming at indirect vector control for AC regulating system, a fuzzy PID speed controller that combines advantages of fuzzy control with PID control is designed.
以浓差极化-凝胶层数学模型为基础，研究了影响糖化酶超滤速度的各种因素。
Based on concentration polarization-gel layer mathematical model, effects of various factors on ultrafiltration flux rate of glucoamylase solution have been studied.
为克服元搜索引擎查询速度慢、独立性差的缺点，设计了一个元搜索引擎的结果处理模型。
A processing model for the query results obtained by meta-search engines is presented to overcome the low query speed and bad independence of meta-search engines.
厚油层整体含水率应低于95%；生产压差和产液速度应保持合理水平。
Moreover, the water cut should be less than 95 percent, and the producing pressure drop and producing liquid rate should be held on reasonable level.
设计主要用于压差和空气速度测量。
It is designed for both differential pressure and air velocity measurements.
介绍了300MW汽轮机组排汽通道出口速度分布对凝汽器传热端差的影响。
The thesis expresses velocity distribution of the exit of the exhaust hood of 300MW turbine effect on temperature difference of the condenser.
做为药物控制释放载体的智能水凝胶，通常由于差的机械性能和慢的响应速度限制了它的实际应用。
However, the applications of the intelligent hydrogels for controlled drug delivery have been limited by the poor mechanical properties and slow response rate.
实验结果表明，该算法克服了传统的差图像法的缺点，能够有效地抑制阴影的影响，具有自适应性强、速度快等优点。
The experimental results show that this algorithm can overcome the weakness of traditional image difference method and suppress shadows effectively with advantages of self-adaptation and high speed.
果蔬差压通风预冷包装箱的开孔大小及包装箱两侧的压差是影响预冷速度、冷却均匀性的重要参数。
The vent hole size and the pressure drop are the important parameters which affect cooling rate and cooling uniformity in pressure pre-cooling of fruit and vegetable.
正确认识压差卡钻，对于减少井下复杂事故，提高钻井速度，降低钻井成本具有十分重要的意义。
Correctly recognizing the differential pressure sticking is of great significance to reduce complex accidents of borehole, increase drilling speed and reduce the drilling cost.
对于水溶性差的高碳烯烃，其氢甲酰化反应速度远远低于低碳烯烃。
For higher olefin that has poor solubility in water, the hydroformylation reaction rate is much less than short-chain alkenes.
紫外光固化涂料由于固化速度快、体积收缩大，故通常存在与金属基材附着力差的问题。
Because of the rapid curing rate and big volume shrinkage, UV-curable coiling coatings are generally of bad adhesion to metal substrate.
通过研究速度环的动态结构，选择速度环的调节方式，以满足速度环的无差与抗扰要求。
After the dynamic configuration of speed loop is studied, its regulating manner is selected to meet the demand of no error and anti-disturbance.
清管球的运动速度取决于气液混合速度和在管道中的位置，而清管球前后的压差也和气液混合速度以及在管道中的位置有关。
The moving velocity and pressure drop of the pig depend on the homogeneous mixture and the locations of the pig in the pipeline.
针对氧化淀粉胶粘剂初粘力低、干燥速度慢、稳定性差、抗水性差等缺点进行改性研究。
This paper discusses how to improve the performance of oxidized corn starch adhesive, including low green bond, bad consistent glue viscosity, bad water-resistance and slowly dry speed.
光纤通信的出现大大缓解了长期以来一直困扰人们的传输速度低、信噪比差和易干扰等问题。
The appearance of optical fiber communications greatly alleviate such problems as low transmission speed, poor Signal-to-Noise and easy disturbance which puzzle people.
研究表明，利用有限差分数值方法进行复杂地电模型的正演计算，计算速度快，计算结果精度较高。
The study shows that limited difference forward method has higher precision and computing speed in Geo-electrical forward modeling.
针对传统超声探伤数据采集系统采样速率低、处理速度慢、实时性差的问题，设计了一种高速数据采集系统；
To resolve the problems of low sampling and management speed, bad real time performance on traditional ultrasonic testing data-acquisition systems, one new system is designed.
本文提出一种带有速度推算算法的转差频率矢量控制。
A new slip frequency vector control scheme with speed calculation algorithm is proposed in this paper.
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