A single machine-scheduling problem with fuzzy delays and mixed precedence relations is discussed.

分析了一类带有模糊时间延迟和混合优先关系的单机调度问题。

youdao

Wei Bin, director of the career guidance center at the University of International Relations, said nowadays the number of overseas students is huge, but the student quality is mixed.

国际关系学院就业指导部门主任魏斌说道，如今留学生数量很多，但其质量也是鱼龙混杂，参差不齐。

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AIM: to explore the relations of the strains of embryo and pseudopregnant recipient to live birth rate of embryo transfer and the feasibility of mixed transfer of different embryo strains.

目的：探讨不同受体鼠和供体鼠品系对胚胎移植成功率的影响以及不同品系胚胎混合移植的可行性。

youdao

Relations between Colombia and Venezuela have long mixed closeness with tensions, some of them caused by the spillover from Colombia's armed conflict.

ECONOMIST: A jilted mediator unleashes a war of words

Mixed up with the question of how to deal with North Korea are South Korea's relations with America.

ECONOMIST: Elections in the chill from the North