医用加速器剂量监测系统定标监测周期为（）。 A.1周 B.2周 C.

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问题单项选择题

医用加速器剂量监测系统定标监测周期为（）。

A.1周

B.2周

C.3周

D.一个月

答案

参考答案：A

单项选择题

Transformational generative linguists believe that every normal human being was born with an LAD. Here LAD is the short form of ______.

A. learner's acquisition device

B. language acquisition device
C. linguistic acting discussion

D. long-term acquiring details

问答题简答题

大、中型水轮发电机的转子磁极主要由哪些部件组成？