Precedence Constraints短语¹⁴⁴⁹⁷²⁺² 基本例句 优先约束 The algorithm adopts particle swarm optimization and queuing theory to deal with respectively precedence constraints and resource constraints of test scheduling. 通过对粒子群算法的深入研究，针对海上试验选址问题的特点，给出了一种新的混合粒子群算法。 fabiao The precedence constraints related to the hierarchy network graph are anal y… 自动生成了产品的层次网络图； cnki