precedence relationship meaning in English
前导关系
先后关系
优先关系
Examples
- Given a list of tasks for a project , their times to complete , and their precedence relationships , the six sigma black belt should be able to compute the time to completion for the project , the earliest completion times , the latest completion times and the slack times
给出一个项目的任务列表、它们的完成时间和它们之间的优先级关系， 6西格玛黑带应能计算出项目的完成时间、最早完成时间、最迟完成时间和延迟时间。 - Second , we tackle a np - hard problem of scheduling jobs on a bank of parallel machines with the objective of minimizing the makespan , under the constraints of non - preemption and no precedence relationship . the worst - case analysis of fpsf ( fast processing speed first ) heuristic is discussed
2 )研究并行加工系统对通过时间（ makespan ）的优化问题（ pm | | cmax问题） ，提出了新的算法，并对最坏情形作出了分析。 - Then , a rule - based assembly planning planner is introduced which utilizes the assembly information model as input model and can finish assembly process planning by the following processes : assembly structure analyzing , generating assembly precedence relationships set , generating probable assembly sequences and assembly path planning . finally , the development of the computer aided assembly process planning system is introduced
装配工艺规划系统功能原型设计出了装配工艺规划系统的功能原型，系统以装配信息模型为主要输入，主要包括了产品装配结构的分析、装配优先关系集的判断与可能装配顺序的生成、装配路径规划等等。