为保证行车安全和提高区段通过能力，将铁路线路划分为区间的设备称为分界点。
网络释义专业释义
分界点(Demarcation Point)：分界点是服务提供商最后负责眯，也是CPE的开始。通常 是最靠近电信的设备，并且由电信公司telco拥有和安装。
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... cut-off plate 节汽门; 风挡; 炉门 cut-off point 分界点; 熄火点; 截止点 cut-off polarizer 截止偏振器 ...
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分界点（Demarc），也叫做分界点（Point of Demarcation），是一个电讯公司的公共网络结束和用户私有网络开始的网络点或接合处。
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separation - 引用次数：1 参考来源 - 高墩大跨弯连续刚构桥施工变形研究
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segmentation points - 引用次数：2
The important conclusion drawn in this study is that the segmentation points, at which the GC content undergoes relatively dramatic changes, do exit in the human genome.
我们研究得到的一个重要结论就是在人类基因组中的确存在一些分界点，在这些分界点的前后基因组的GC含量发生了很大的变化。
参考来源 - 小波变换在isochore边界识别中的应用 -
separation
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delivery point
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双语例句原声例句
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它只是说明我们正接近一个分界点，容易获得的利润已经远去，而风险正开始上升。
It does mean we're getting to the point where the easy profits are gone and that the risk is starting to rise.
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首先，它将是一个能让读者兴奋和无趣的书的分界点，这些书主要是小说而不是侦探书。
First, there will be a split between the kinds of books that lend themselves to bells and whistles—mostly non-fiction—and those that do not, mainly novels.
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春秋分日甚至不是二至日(夏至：一年中光照最强烈的时候。冬至反之)的中分界点，她补充道。
The autumnal equinox and vernal equinox aren't even midway between the solstices, which are the days of greatest and least light of the year, she added.
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So z equals 7 -- this is the cut-off where, in fact, the sigma orbital is going to be higher in energy than the pi 2 p orbitals.
所以z等于7-这是分界点，实际上，sigma轨道能量,要比π2p轨道高。
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z And what you need to remember is if the z 8 is equal to eight or greater, such as oxygen being the cut-off point, this sigma 2 p orbital is actually lower in energy than the pi 2 p orbitals, the molecular orbitals.
你们要记住如果,等于或者大于，就像O是分界点，这时sigma2p轨道,比π2p轨道能量更低。
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