power variable meaning in English
动力变数
权力变数
Examples
- A . hydraulic pressure adapts constant power variable axial piston pump for energy saving
液压泵采用恒功率自动变量轴向柱塞泵，以节省能源。 - This drill adopts full hydraulic pressure drive , constant power variable loop , and makes drilling machine change rotary speed and increase torque automatically according to the variation of stratum in the course of engineering construction
该机采用全液压驱动，恒功率变量回路，使钻机能够在工程施工中，根据地层的变化自动改变转速增大扭矩。 - In order to have the more proper application of constant power variable - volume pump in hydraulic system of drilling rig , the performance test of its proportional electromagnetic valve has carried out , and tested results indicate that the electric proportional variable - volume pump can be successfully used to the hydraulic system of drilling rig
为了使恒功率变量泵更好的应用于钻机的液压系统，对其比例电磁铁的性能进行了测试，测试结果表明，电控比例变量泵能够成功的应用于钻机的液压系统。 - Based on these advantages we analyze the performance of constant - power variable - rate m - qam schemes for spectrally efficient data transmission over nmf channels . by introducing the adaptive modulation approach , we gain two things : 1 ) the error rate is kept at a constant level . 2 ) the achievable spectral efficiency comes within 5 db of the shannon capacity limit . at the last chapter , the presentation of a single base station and a single mobile scenario proved the feasibility of adaptive schemes
然后作者的精力转入信道的自适应方案的研究中，首先通过研究发现nakagami衰落因子的适当调整可以近似于常见的瑞利衰落和莱斯衰落，接着研究在无线信道中采用三种不同自适应方案时的信道容量，研究表明速率的调整是增加信道容量的关键，在此基础上，着重研究了离散变速率qam的情况，表明这种调制方案无论在频带利用率还是在系统平均误码率比其它情况提高很多。 - The engineering drilling machine of kp2500 type is a species of full hydraulic pressure rotating plate - drilling machine developed by our company newly , this drill adopts full hydraulic pressure drive , con stant power variable loop , wheel cylinder startup and electrohydraulic multiple operation , the drill can adjust torque according to stratum situation and reduce pressure to deep drilling automatically
Kp2500型工程钻机是我公司最新研制的一种全液压转盘式钻机，该机采用全液压驱动，恒功率变量回路，分泵起动，电液复合操作，钻机能够根据地层情况调整扭矩和减压自动钻进。