For realizing symbolic substitution rules of binary addition. This paper proposes a simple optical logic system which includes only one 2-d array of optical bistable device.
为了实现二进制加法符号替换规律，本文提出了一种简单的光逻辑系统，它仅包括一片二维列阵光学双稳器件。
The use of the above rules is questionable, as they all could be rewritten without using any substitution operators.
上面规则的使用都比较可疑,因为他们都可以通过不使用任何替换操作符来重写.
When writing rules which will potentially handle multiple similar devices, udev's printf-like string substitution operators are very useful.
当要编写规则处理多个相似的设备时，udev可以使用类似C语言的printf函数中的字符串替换操作符。
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