a punctuation mark (/) used to separate related items of information
例句
The distant place horizon is the world separatrix not merely, will be the future symbol. 远方的地平线不仅仅是天地的分界线，更是未来的象征。
Obviously, we can draw a separatrix during Wingming Times to show the status-changing in poetic world of Tao Yuan-ming's poem. 由此可以看出，陶渊明在诗坛的地位以永明年间为前后分界线。
Comparing the dispersive curves of electron-ion-plasmas with that of electron-plasmas, one gets the separatrix whether include ions contribution or not. 将其色散曲线与纯电子等离子体色散曲线对比，得到了是否需要考虑离子贡献的分界线。
Separatrix between Science Assumption and Pseudoscience Heresy 科学假说与伪科学歪理邪说的分界
A Class of Tri-Curve Separatrix Cycle For The Cubic System 三次系统的一类三曲线分界线环
THE SADDLE - NODE SEPARATRIX - LOOP BIFURCATION OF THE DIFFERENTIAL EQUATION ON CYLINDER 柱面上一类微分方程的鞍结点分界线环的分支
