图1 14中的块矩阵可以将单路输入连接到任意单路输出，因此在任意时间只能有一个信号路径是活动的。
The blocking matrix of Figure 1-14 allows the connection of a single input to any single output. Therefore, only one signal path is active at any given time.
运用数字式传感器ds18 X 2 0采取单信号传输线进行多点测温的关键技术是传感器的地址编码问题。
It is critical technology to encode the digital sensor DS18X20 that measure multiple temperatures with the 1-wire bus.
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