What is the difference between the unary minus operator and the binary subtraction operator?

一元操作符负号和二元操作符减号的区别是什么？

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We try to exploit the advantages of TOAD-based optical switch to design an integrated all-optical circuit which can perform binary addition and subtraction.

研究了怎样利用基于TOAD的光开关来设计全光集成电路，从而进行二进制加减法运算。

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This algorithm is a gray image processing, including background subtraction, binary, shadow detection, post-processing, and several other modules.

此算法是对灰度图像的处理，主要包括背景减 除、二值化、阴影检测、后处理等几个模块。-。

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