共完成了572周的西妥昔单抗治疗，中位周期数为8周。
A total of 572 weeks (median, 8 weeks) of cetuximab treatment were completed.
首先，对于一个计划周期内所有要堆放的进、出口箱，应用数学规划的方法决定了分配到各个箱区各个倍位中的箱的数量。
Firstly, for all containers in a planned period, the number of containers distributed to various bays of each block is determined by mathematical programming.
目的：探讨周期运动过程中桡动脉横切面轴心到皮肤距离的动态变化与脉位的关系。
Objective: to study the relationship between pulse position and dynamic variation of distance from transverse section centroid of radial artery to skin during a cardiac cycle.
周期表中，各个元素都有自己的位号。
In the periodic table of elements, each element has its own place and number.
周期表中，各个元素都有自己的位号。
In the periodic table of elements, each element has its own place and number.
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