sgm是Serial Gigabit Media Independent Interface 的缩写，即串行千兆位媒质独立接口。
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Last year, however, SGM sold more Buicks in China than GM did in America.
然而，去年SGM在中国卖出的别克超过了通用在美国的销量。
SGM will officially release this new global vehicle to Chinese consumers in the coming year.
上海通用汽车将在未来一年内正式向中国消费者推出这款国际领先的全球新品。
The state-space realization problem for two-dimensional singular general model (2-D SGM) has been discussed in this paper.
该文针对二维（2-D）奇异系统的一般模型（SGM），探讨了2-D奇异系统的状态空间实现问题。
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