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- Most researches on APF are focused on main circuit configurations (series-type, shunt-type, compound-type), harmonic current detection approaches and control strategies to compensate current ,etc. 有关有源电力滤波器的研究主要集中在主电路结构形式(串联、并联和串并联)、谐波电流检测方法和补偿电流的控制方法等方面。
- For the maturated study of main circuit configuration,the development of APF mainly depends on its control method. 有源电力滤波器主电路结构的研究已经比较成熟,其性能的提高主要依赖于所采用的控制方法。
- The magnetic circuit configuration and characteristic of the most used synchronous couplings are analysized. 重点分析了常用的同步联轴器的磁路结构及其特点。
- The same basic circuit configuration shown in Figure 1-8 can be used as an input preamplifier for a nanovoltmeter. 与图1-8所示相同的基本电路结构也可以用作纳伏表的输入前置放大器。
- A novel circuit configuration for realizing current-mode second-order allpass/notch and first-order allpass filter using a single four-terminal floating nullor(FTFN) is proposed. 提出了采用单四端浮点零器（FTFN）实现电流模式二阶全通／陷波和一阶全通滤波器新电路。
- Those devices play the roles in two 30W power adapters. Electric index, circuit configuration cost-effectiveness and reliabilities are analysed, tested and compared. 用该 2种器件分别设计出 2台 30W电源适配器 ,对它们的电气性能、电路结构、性价比、可靠性等进行了分析和比较
- The unit consists of auto air switch, tr ansformer, two-phase or three-phase bridge rectifier assem bly and AC contactor.The circuit configures short-circuit and over viltage protection devices. 电路设置有短路、过电压等保护措施，当受控电磁铁容量大于19千瓦时，整流变压器外附；
- There are two breakers in this circuit. 这个电路里面使用了两个断路器。
- A replaceable printed circuit board. 一种可替换的印制电路板。
- The circuit of the city walls is three miles. 环绕本市城墙的周长是三英里。
- There must be a break in the circuit. 电路中一定有断路。
- A short circuit will blow the fuse. 短路会烧断保险丝的。
- A short circuit put the machine out of action. 短路使机器停转。
- This filter for use in ECM OOK signal carrier extraction circuits uses synthesis de- sign and NB differential bridge type circuit configuration containing two section four crys- tal Units. 该滤波器用于电子对抗OOK信号提载波电路中,用网络综合法设计,采用两节四晶体窄带差接桥式电路结构,达到的技术指标为:中心频率f_0=500kHz;
- The switches close the contacts and complete the circuit. 这些开关可使接触器接通电流形成回路。
- Don't connect up the two wires, or there will be a short circuit. 不要把这两条电线接在一起，否则会短路的。
- The rocket did one circuit of the earth and returned to base. 火箭绕地球运行一周后返回基地。
- The earth takes a year to make a circuit of (ie go round) the sun. 地球绕太阳一周需要一年时间。
- Pertaining to a line or circuit interconnecting several stations. 用于修饰或说明把若干个站互连起来的通信线路或电路。
- It takes a year for the earth to make a circuit of the sun. 地球绕太阳一周要一年时间。
