查询词典 positively definite eigenvalue problem

problem of prime twins：孪生质 问题

problem of possible construction 可能作图问题 | problem of prime twins 孪生质 问题 | problem of pursuit 追逐问题

problem box：问题箱

problem behavior graph 问题行为图 | problem box 问题箱 | problem child 问题儿童

problem reformulation：问题重组

problem programmer 解题程序员 | problem reformulation 问题重组 | problem solving knowledge 问题求解知识

problem reformulation：问题重构

问题诊断 problem diagnosis | 问题重构 problem reformulation | 问题空间 problem space

Vehicle scheduling problem：车辆调度优化

价值评估:Vehicle scheduling problem | 车辆调度优化:Vehicle scheduling problem | 车辆调度:vehicle routing and scheduling problem

Vehicle scheduling problem：车辆调度

价值评估:Vehicle scheduling problem | 车辆调度:vehicle scheduling problem | 生产调度:Scheduling Problem

Vehicle scheduling problem：车辆优化调度问题

车辆线路优化问题:Vehicle routing problem | 车辆优化调度问题:vehicle scheduling problem | 开放式车辆路径问题:open vehicle routing problem

curriculum Scheduling problem：课表编排

调度问题:scheduling problem | 课表编排:curriculum Scheduling problem | 配送线路:vehicle routing problem

one-machine scheduling problem：单机调度

车辆调度:vehicle routing and scheduling problem | 单机调度:one-machine scheduling problem | 分叉:bifurcation problem

the third boundary value problem：第三边值间题

第一初边值问题:the first initial-boundary value problem | 第三边值间题:the third boundary value problem | 三点边值问题:Three-point boundary value problem

BOXEN INTERNATIONAL LIMITED：(博成国际有限公司)

571908 BOWEN PROPERTY AGENCY LIMITED (宝云置业有限公司) | 380193 BOXEN INTERNATIONAL LIMITED (博成国际有限公司) | 159389 BOXYUE LIMITED (博誉有限公司)

air filter：空气过滤器

空气过滤器(air filter)指用于制备无菌空气的纤维介质床或超细滤膜过滤器. 纤维介质主要是棉花,常用的滤膜是玻璃纤维滤膜和孔径为0.2μm的聚四氟乙烯滤膜. 过滤器使用前本身应用蒸气或其他方法灭菌. 通过过滤器的空气事先进行除尘、除水滴,