SSPs are telephone switches , interconnected by SS 7 links, that originate , terminate or tandem calls.
SSP是 由SS7链路互连的电话交换机, 用来发起 、 终止或汇接呼叫.
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The physicochemical and rheological properties of soybean soluble polysaccharide ( SSPS ) extracted under acid condition were researched.
研究了酸性条件下提取的大豆 多糖 的理化指标及其流变特性.
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