The vehicle-scheduling problem with time window is also a NP-hard problem being more complicated than VSP.
带有时间窗的车辆优化调度问题是比VSP复杂程度更高的NP难题。
MuSTSP is a kind of NP problems with complex requirements and constraints. It also has some special characteristics, such as hard time window constraints.
多星测控调度问题是一类NP问题，需求复杂、约束众多，具有诸如强时间窗约束等特点。
Because acute ICH is lack of effective treatment measures, therefore, it is hard to determine its therapeutic time window.
由于急性ich缺乏有效的治疗措施，也就无法确定其治疗时间窗。
Because acute ICH is lack of effective treatment measures, therefore, it is hard to determine its therapeutic time window.
由于急性ich缺乏有效的治疗措施，也就无法确定其治疗时间窗。
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