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【简答题】
在测量交流磁化曲线过程中,保证B和H都是正弦量是不可能的,因此一般要求保证B为正弦量,以便用统一标准评价测量结果。保证B为正弦量,首先要求 有良好的正弦性,其次,磁化电路的 应远远小于 值,一般要求 与 的比值大于 。
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【判断题】熔化极C02气体保护焊,2mm碳钢薄板仰位角 接接头或T型接头焊接时,一般选用左焊法焊接和 直线形摆动方法。
A.
正确
B.
错误
【简答题】Fill in the blanks according to the meaning.What would you like to drink?Nǐ hē_______?
【简答题】线下作业模板及参考资料: 1、 Small Bioactive Peptides for Biomaterials Design and Theutics.pdf 2、 学号1+姓名2+学号2+姓名2 多肽化学线下作业(模板).docx 3、 线下作业分组.docx 4、作业模板对应文章 Enzymatic Self-Assembly Confers Exceptionally Stro...
【单选题】Choose where the words best fit in the blanks. Complete this form to place a(n) _________.
A.
mail order
B.
item number
【单选题】fill in the blanks with proper words: qiān bǐ我的 铅 笔在里。
A.
y ī fu 衣 服
B.
sh ū b ā o 书 包
C.
y ī ɡ uì 衣 柜
D.
xié 鞋
【单选题】How did the researchers test their volunteers?
A.
By giving everyone nasal drops containing either a cold virus or a particular flu virus
B.
By givmg everyone a.medicine that help lessen the probability of catching cold
C.
By giving everyone an injection boosting immune function
D.
Bv investigating everyone's characteristics,interests and hobbies.
【单选题】How did the researchers test their volunteers?
A.
By giving everyone nasal drops containing either a cold virus or a particular flu virus.
B.
By giving everyone a medicine that help lessen the probability of catching cold.
C.
By giving everyone an injection boosting immune function.
D.
By investigating everyone’s characteristics, interests and hobbies.
【单选题】Fill in the blanks with articles where .
A.
necessary
B.
necessarily
C.
is necessary
D.
it necessary
【简答题】Fill in the blanks with the following words 用下列单词填空 cut, mix, peel, pieces, serve 1. Cut the sausage into some ___________. 2. ___________ the potatoes and ___________ them into small pieces...
【单选题】熔化极C02气体保护焊,2mm碳钢薄板仰位T 型接头焊接时,焊枪角度一般与焊缝夹角为70 ~ 80度,与焊缝转角为()。
A.
70~90度
B.
50~70 度
C.
35~50度
D.
15~35 度
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