级联配置的一个缺点是信号要经过多个开关触点才能到达被测装置，会造成信号的损耗更高。
A disadvantage of the cascade configuration is that the signal may pass through more than one switch contact to the device under test, causing higher losses in the signal.
基于CPS -SPWM技术的级联型多电平变流器结合了二者的优势，在大功率电力电子装置中有良好的应用前景。
The cascade multilevel converter based on CPS-SPWM technique has both of the advantages, so it has attractive perspective in large power application.
介绍了两种渗透汽化膜分离过程工艺及膜的分离性能，提出了连续渗透汽化逐级级联计算，并对中试装置的运行结果进行了验算；
The separation properties of the membrane and two different pervaporation processes were introduced. The continuous flow pervaporation process was designed and demonstrated.
介绍了两种渗透汽化膜分离过程工艺及膜的分离性能，提出了连续渗透汽化逐级级联计算，并对中试装置的运行结果进行了验算；
The separation properties of the membrane and two different pervaporation processes were introduced. The continuous flow pervaporation process was designed and demonstrated.
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