在不得不交叉线时，我会用适用于电路图的标准来标记：一条线“跳过”另一条，如图4所示。
When I am forced to have crossed lines, I will notate it using the standard applied on electrical-wiring diagrams: one line is drawn "hopping over" another one, as in Figure 4.
引脚标记说明该引脚已连接到芯片内部的哪个部分，并非要把该引脚连接到电路的哪个参考点。
The labels "analog ground" and "digital ground" on these pins refer to the parts of the converter to which the pins are connected, and not to the system grounds to which they must go.
要转换选通电路成一个布尔表示式，标记每个门的产品以对应于门的输入的一个布尔次级表示信号，直到最后一个表示信号到达最后门。
To convert a gate circuit to a Boolean expression, label each gate output with a Boolean sub-expression corresponding to the gates' input signals, until a final expression is reached at the last gate.
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