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equivalent four wire lenght 等效四线制
The parameters of equivalent four? terminal networks of the single cosine type ultrasonic horn are derived. 推导出余弦形单一超声变幅杆的等效四端网络参量.
A two wire SYSTEM then requires two twisted pair, and a four wire SYSTEM requires three twisted pair. 一个二线制系统两个双绞双绞线对，一个四线制系统需要三个双绞线对。
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It is widely interested how to construct an active power filter to suppress the harmonics in three phase four wire system. 三相四线制系统中如何使用有源电力滤波器来抑制线路中的谐波，这一问题越来越被人们所重视。
The use of the four wire method and the photoelectric segregation technology raises the test precision and disturbance resistibility. 采用四线法和光隔技术，提高了测试精度和系统的抗干扰能力。
A circuit arrangement for deriving a phantom circuit. In four wire circuits, the two wires associated with the "GO" channel form one "side circuit", and those associated with the "return" channel form another. 用来派生一个幻象电路的电路结构。在四线电路中，与“去程”通道相关联的两线就形成了一个“半边电路”, 而与“回程”通道相关联的两线构成了另一个“半边电路”。
equivalent four terminal network 等效四端子网络
This paper analyses the reason that neutral current is not zero when linear three phase system load connects to three phase four wire system source in Y connection. The resolution is also given. 分析了线性三相对称负载Y联接在对称三相四线制电源时 ;中线电流不为零的原因 ;并给出了解决的方法 .
In four wire circuits, the two wires associated with the"GO" channel form one"side circuit", and those associated with the"return" channel form another. 在四线电路中，与“去程”通道相关联的两线就形成了一个“半边电路”，而与“回程”通道相关联的两线构成了另一个“半边电路”。
The cable consists of four wires: two for data, one for power (+5 volts), and one for ground. 电缆由四电线所组成: 二为数据, 一为力量 (+5 伏特), 和他为地面。
A dime is equivalent to ten pennies. 一角等于十分。
TDFW Three Dimensional Four Wire 四线三度重合磁芯存储器
Phase four wire active power filter with one 基于单周控制的三相四线制有源电力滤波器
The dividend pay is equivalent to one quarter of the pretax profit. 所付股息相当于税前利润的四分之一。
voice frequency four wire patching bay 音频四线调度架
A dime is the equivalent of two nickels. 一角硬币等于两个五分镍币。
A meter is equivalent to 39.37 inches. 一米相当於三十九点三七英寸。
three-phase four wire installation 三相四线装置
His reply is equivalent to a refusal. 他的回答等於是拒绝。