介绍了莱钢1500热轧带钢厂热卷箱控制过程，包括热卷箱运行模型、自动成卷、自动开卷的控制过程。

Process of coil-box for Laiwu Steel Group's 1500-mm hot strip is described, including the oper- ating model of coil box, the control process of automatic coiling and uncoiling.

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而在眼下这部《陌生人之子》中，读者开卷所见的依然是关于一对男子之间的关系，其中一个来自郊区，另一个出身富贵之家。

Now in “The Stranger’s Child”, we start out observing the relationship of two men, one from a suburb, the other from a stately pile.

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这时候教授宣布：考虑到试题的难度，今天的考试我们决定开卷。

We were seated and waiting for the test when our professor announced that considering the difficulty of the final, it would be an open-book exam.

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Final will be open book, open notes, just like the quizzes.

是开卷的，就和小测验一样。

麻省理工公开课 - 计算机科学及编程导论课程节选

Whereas in other classes you might be allowed to bring one sheet of paper,

而有些课的考试只允许带一张纸开卷，

考试应该这么准备 - SpeakingMax英语口语达人

STUDENT: Will the final be open note?

学生：期末考试是开卷的吗？

麻省理工公开课 - 计算机科学及编程导论课程节选