电路的

The quantum effect of mesoscopic inductance-capacitance coupled circuit with mutual inductance was investigated by canonical transformation and unitary transformation.

利用正则变换和幺正变换的方法研究了有互感的介观电感电容耦合电路的量子效应，并把介观电感电容耦合电路和另外几种耦合电路进行了比较。

The diagram schematics are figured out by using commonly-used chip named 555 timer and 74LS90 conter, tests are given on the simulation in every unit, simulation effect of circuit can be observed in a direct and clear way.

使用常用的芯片555定时器和74LS90计数器设计了电路原理图，对电路的每个单元进行了仿真实验，可以直观地观测出电路的仿真效果。

The use of Wallman deforming circuit brings the merits of a good linearity and high-speed attribute while overcomes the defect of sound thinness caused by Wallman circuit .

渥尔曼变形电路的应用，具有渥尔曼电路的良好线性与高速性，却又克服了渥尔曼电路声音单薄的缺点。

The principle of synchronization circuit based on FPGA in optical fiber communication system is described. The circuit digitizes synchronization circuit.

介绍了一种光纤通信系统中基于FPGA的同步电路的原理，该电路实现了同步电路的全数字化。

The two kinds of design methods for the microwave active filters are studied, which involve the negative resistance circuit design method and the network cascade method, and how to translate the lumped parameter circuit into the distributed parameter circuit is given.

同时，给出了集中参数电路转化为分布参数电路的方法，结合设计实例，给出了两种微波有源滤波器的计算机模拟结果和分布参数电路的几何尺寸。

These cir- cuits possess the low power dissipation of CMOS circuitry, yet have speeds comparable to low power Schottky TTL circuits.

这些电路的cuits的CMOS电路具有低功耗，尚未有速度媲美的低功耗肖特基TTL电路。

Key studies PLC the safety control electric circuit, the floor control circuit, the switch gate design, as well as starting switch gate procedure, upward downward procedure, floor control procedure, automatic orientation procedure compilation.

重点研究PLC的安全控制电路、楼层控制电路，开关门电路的设计，以及启动开关门程序、上行下行程序、楼层控制程序、自动定向程序的编写。

The voltage converted into 0～5 V using convering circuit can be used directly by microprocessor ,and con2 verted into digital signals by A/ D converting. So this simplifies the design of the circuits.

通过电压转换电路可以将- 10～+ 10 V 的输出电压转变成为0～5V 的电压，便于带有A/ D 转化电路的单片机系统直接进行A/ D 转换，简化了电路设计。

The paper also expatiates on the theory of every circuit module in detail, emphasizes the design and program of the sound circuit and the LCD screen module.

论文详细阐述了测试台各电路模块的原理，重点阐述了语音电路的设计及其编程实现，以及显示电路模块的原理及其编程实现。

If the oxygen sensor heater circuit is wired directly to the control unit, an A/D converter with a basic shunt circuit is used to directly check the current of the circuit Fig.

如果氧传感器加热电路直接连接到控制器，具有一个基本的并联电路的 A/D 转换器可用于直接检查当前的电路(图 6)。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。