例如，用例的前置及后置条件、输入和输出定义服务依赖关系、边界和数据要求。
For example, the pre - and post-conditions, inputs, and outputs of the use case define the service dependencies, boundary, and data requirements.
在现代的静电计中，前置放大器输出端就是这样的一个节点，并可以用来降低电缆泄漏的影响，如图2 - 5所示。
In modern electrometers, the preamplifier output terminal is such a point, and can be used to reduce the effect of cable leakage, as shown in Figure 2-5.
型号500包含了立体声线性电平输入和输出，这能够使扩音器在前置扩音器与扩音器间连接，不需要Y型连接器。
The MODEL 500 incorporates stereo Line-Level inputs and outputs that permit the amplifier to be connected between a preamplifier and amplifier without the need for Y-connectors.
将静电计置于电压模式，然后打开外部反馈，就把反馈电路从内部网络切换到连在前置放大器输出端的外部反馈网络上。
Placing the electrometer in the volts mode and then enabling external feedback switches the feedback circuit from an internal network to a feedback circuit connected to the preamp output.
同时还详细描述了前置音频放大器，三角波产生电路、比较器，死区控制电路，输出驱动电路等子模块的设计内容。
And then describe the module of pre audio amplifier, triangle generator, comparator, death time control and output driver etc.
重点研究了系统的前置放大模块、A／D音频输入与D／A音频输出模块，以及系统控制模块。
The research on the module of preamplifier, A/D voice input, D/A voice output, and controlling of the system is laid stress on.
通过连接前置比例器，使用使能来降低输出频率。
You can use Enable to lower the output frequency by connecting it to a prescaler.
设计带通滤波电路和比例放大电路，对前置放大电路的输出信号进行滤波、降噪和放大。
Secondly, used a preamplifier to pre-amplify the integrated signal of induced charge detected by the CZT surface pixel arrays nuclear radiation detector.
设计带通滤波电路和比例放大电路，对前置放大电路的输出信号进行滤波、降噪和放大。
Secondly, used a preamplifier to pre-amplify the integrated signal of induced charge detected by the CZT surface pixel arrays nuclear radiation detector.
应用推荐