Large number of low-star hotel, small scale, lack of effective integration.

中低星级酒店数量多、规模小，没有进行有效的整合。

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In summing of the last product in the traditional multiplier design, the array or iteration summing method is used, which is not suitable to the design of small or middle scale integration circuit.

传统的乘法器的设计，在最终的乘积项求和时，常采用阵列相加或叠代相加的方法，不适用中小规模的微处理器的设计。

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