1) Lead-lag Relation
领先落后关系
2) lead-lag relationship
领先-滞后关系
3) Lead and lag relationship
领先和滞后关系
4) the precondition
领先关系
1.
It takes the precondition in courses in altitude academy as directed acyclic graph and takes the problem of selecting course as searching topological order sequence in directed acyclic graph.
把高校必修课程之间的领先关系抽象为有向图 ,把选课问题抽象为在有向图中寻找拓扑有序序列问题 ,从而成功地解决了高校的选课问
5) Price lead-lag relationship
价格领先滞后关系
6) advanced vs. backward
先进/落后
补充资料：经济关系(见生产关系)
经济关系(见生产关系)
economical relation
1 ingji gU口nxj经济关系(eeonomieal relation)系。见生产关
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参考词条