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【多选题】
下列关于系统误差的叙述不正确的选项是:A.
系统误差具有单向性
B.
系统误差不可校正
C.
一些不确定因素造成了系统误差
D.
系统误差在分析过程中随机产生，不可避免
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举一反三
【单选题】The company its sale by an average of 10% per year since its establishment in 1993.
A.
increases
B.
increased
C.
is increasing
D.
has increased
【判断题】Judge the similar meaning of the couple sentences. There’s very little you can do to learn about an occupation through the Internet. You can learn about the job either in print resources or online; mo...
A.
正确
B.
错误
【简答题】To be a successful speaker, it is essential for you to know why you are speaking and what you wish to accomplish by your speech. The four most common 1 of speech are to inform, to convince, to move to...
【简答题】弗洛伊德主要研究方法是()A. 联想 B. 释梦 C. 联想和 释梦 D. 实验
【单选题】The company its sales by an average of 10% per year since its establishment in 1993.
A.
Increases
B.
increased
C.
is increasing
D.
has increased
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