直流的

The main function of rectifier circuits is to convert AC to DC.

整流电路的主要作用是将交流电压转换成直流电压。

The structure of the control system was simplified and the cost was reduced.

该方法简化了控制结构，降低了控制成本，实现了无刷直流电机的直接转矩控制运行。

This equipment uses the mesa structure, has the controller, the sensor (electro-optical type, inductance type, color, magnetic induction type), the revolving encoder, the electric motor, the conveyor belt, the air cylinder, the solenoid valve, the direct-current power supply, the air filtration reductor, the programming practice kneading board and so on, the constitution model integration of machinery teaching training installment.

该装置采用台式结构，配有控制器、传感器（光电式、电感式、颜色、磁感应式）、旋转编码器、电动机、输送带、气缸、电磁阀、直流电源、空气过滤减压器、编程练习面板等，构成典型的机电一体化教学训练装置。

For the reason of drawback of DC motor, the system adopted AC frequency conversion speed regulation.

为克服直流电机调速的缺点和提高性价比，系统采用了交流变频调速。

Resistance thermometer bridges may be excited from either a-c or d-c sources.

电阻温度计电桥的供电可以是交流电源，也可以是直流电源。

It adopted stepping electronic rheostat and thyristors, and had developed new direct-current motor adjustable-speed circuit.

采用步进式电子变阻器和晶闸管研制成的新型直流电机调速电路能使速度逐级平缓地变化。

Electric machinery ; BLDCM driven systems ; Rate smoothness ; Force ripple ; Robust repetitive control

电机；无刷直流电机驱动的系统；速率平稳性；力矩波动；鲁棒重复控制

For the robust performance test, the sine or square wave is added on the operating point to be viewed as the external disturbance.

在直流工作点加入弦波或方波当作干扰，铁球皆能稳定地磁浮於空中，展现出系统的强健性能。

Main characteristics of time-domain, such as direct-current, positive peak value, root-mean-square are gotten.

时域的主要特性有直流、正峰、均方根等进行数值测量。

Maincharacteristics of time-domain, such as direct-current, positivepeak value, root-mean-square are gotten.

时域的主要特性有直流、正峰、均方根等进行数值测量。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。