demarcation
n. 划分;划界;限界
例句
It was hard to draw clear lines of demarcation between work and leisure.
在工作和闲暇之间很难划出明确的界限。
《牛津词典》
Talks were continuing about the demarcation of the border between the two countries.
关于两国之间边界划定的谈话仍在继续着。
《柯林斯英汉双解大词典》
We'll focus on programmatic transaction demarcation.
我们将侧重于编程式事务界定。