除了星团稠密的核心，这张锐利的彩色照片还突出了M 13的外延范围。
Along with the cluster's dense core, the outer reaches of M13 are highlighted in this sharp color image.
茶文化悄然浸染着我们的生活，有的还渗透到了人们的口头语言里，自然它的内涵和外延有所改变。
Since tea culture has permeated our life and oral language, it is natural that its connotation and extension have been changed too.
光突发交换网络实验平台上的TCP传输实验还表明了OBS物理层带来的额外延时对上层TCP带宽有极大的影响。
TCP transmission experimental results also point out that the extra round trip time caused by OBS layer has great influence on the available TCP bandwidth.
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