开始第二部份课程的过程，任何人都不准不依次序上课。
Begin the process for the Part II courses. No one should be permitted to take the courses out of order.
请将上述文件依次序夹好，请同时缴交文件正本以及一份影本。
Arrange all documents in the above order. Submit only one original copy for each one and make one additional copy for all documents.
第一个细胞周期的激活样式表明，这些细胞并不同步激活，而是依次进入细胞周期，且进入的次序与自身在根尖中的相对位置有关。
The kinetic pattern of activity of the first cell cycle showed that these cells were not activated synchronously, but re_entered the cell cycle in turn depending on their places in the root tip.
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