在步进梁速度电液比例控制系统中，比例变量泵是关键组成部分。
In the walking beams velocity electro-hydraulic control system, proportional variable pump is the key components.
由电液比例换向阀和轴向变量泵组成的比例变量泵系统是一种新型液压动力机构。
The proportional variable pump system made up with electrohydraulic proportional reversing valve and axial variable pump is a new kind of hydraulic dynamic structure.
我们一开始有四个变量：，温度，压强，某个组分在液体中的比例，和它在气体中的比例。
We started out with four variables; the temperature, the pressure, and the components in the composition in the liquid phase and the composition in the gas phase.
使用多变量cox比例风险模型来确定与早期新生儿死亡相关的因素。
Multivariate Cox proportional hazards models were used to identify factors linked to early neonatal death.
介绍了电反馈电液比例恒压变量泵的计算机PID控制。
The computer PID control for electro hydraulic proportional constant presure variable displacement pump with electric feedback is introduced.
其他变量应措施不考虑在预定比例的发作频率的实际变化。
The other variable should measure the actual change in seizure frequency without regard to the predetermined percentage.
分析了荷载比例、矢跨比、垂跨比和抗力类变量的变异系数对结构可靠性能的影响。
The influences of the load combination ratio, rise-span ratio, sag-span ratio and resistant variable variance on the reliable performance are discussed.
变量泵的控制方式有恒压力、恒流量、恒功率、电液比例和负荷敏感控制等。
Variable displacement pump's control style has many ways, such as constant pressure, constant fluid, constant power, electrohydraulic proportional and load-sensing etc.
本文提出了对电液比例负载敏感径向柱塞变量泵实现恒功率控制的新的控制方法。
The paper proposes a new method to realize constant power control for electrohydraulic proportional load-sensing radial piston variable displacement pump.
比例应为浮点型变量（或常量）。
两个变量之间的一种关系，第二个量的变化直接和第一个量的变化成比例。
The relationship between two quantities when a change in a second quantity is directly proportional to a change in the first quantity.
泵控变量液压系统，与电比例操作系统紧密结合，节能高效，控制精确。
The pump controlled variable displacement hydraulic system works together with the electronic proportional control system, high efficiency, energy saving and precise control.
总资产的比例这笔交易金额是最相关的变量模型4。
The proportion of total assets amount of the transaction is the most relevant variables in model 4.
径向柱塞变量泵可以采用手动控制、电液比例控制或负载敏感控制等多种控制方式，实现恒流量、恒压力、恒功率的控制。
The radial piston pump can adopt manual-control or electro-hydraulic proportional control to realize the control of constant flow, constant pressure, constant power and load sensitivity etc.
这两个有意义的变量比例定义了系统抽取比例。
The ratio of these two meaningful variables defines the system's decimation ratio.
仿真结果表明，基于自适应模糊PID控制器的电液比例排量变量泵具有良好的动态性能。
Simulation results show that the dynamic characteristic of electro-hydraulic proportion controlling radial piston pump using this self-adapting fuzzy PID controller is very good.
Cox比例危险模型允许多变量修正后的危害比(HRs)计算。
Cox proportional hazards models allowed calculation of multivariable-adjusted hazard ratios (HRs).
在一些场合，过程变量仅仅要求控制在设定值的周围，纯比例控制器就足够了。
In cases in which the process can be controlled within a band from the set point, proportional only controller are sufficient.
本发明还涉及用于使用这样的现场电气设备产生与测量变量成比例的测量值的方法。
The invention also relates to a method for producing a measurement value which is proportional to a measurement variable using such an electric field device.
结论当有自变量不符合比例优势假定条件时，偏比例优势模型是更为合理的选择。
Conclusion The partial proportional odds model is more appropriate when proportional odds assumption was violated.
结论当有自变量不符合比例优势假定条件时，偏比例优势模型是更为合理的选择。
Conclusion The partial proportional odds model is more appropriate when proportional odds assumption was violated.
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