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【单选题】
铁心中的磁滞损耗和涡流损耗之和称__________。这部分损耗都将消耗有功功率,使铁心发热。( )
A.
铁心损耗
B.
铜耗
C.
机械损耗
D.
杂散损耗
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【判断题】线性表的顺序存储优于链式存储结构。()
A.
正确
B.
错误
【单选题】位于糖酵解、糖异生、磷酸戊糖途径、糖原合成和糖原分解各条代谢途径交汇点上的化合物是( )
A.
1-磷酸葡萄糖
B.
6-磷酸葡萄糖
C.
1,6-二磷酸果糖
D.
3-磷酸甘油醛
E.
乳酸
【简答题】阅读理解。 The year before the first modern Olympic s, Greece invited China to send a team. But the Qing government (政府) didn't send any athletes to the s. China did not take part in the Olympics u...
【简答题】Below is a web page from Google. Olympic—Modern Olympic s The completer results archive of summer and winter Olympic s, with winners lists, statistics, national anthems and flags of all countr...
【简答题】项目要求: 1) 完成如下零件的三维实体设计; 2) 采用分层设计,草绘和实体放在合理的层; 3) 根据题目要求测得的数据填入相应位置; 4)prt 文件以附件形式上传 参照下图构建三维模型,其中未标注的厚度(或偏距)均为A。注意模型中的同心、对称等几何关系。请问模型的体积是多少? (输入答案时请精确到小数点后2位,注意采用正常数字表达方法,而不要采用科学计数法)。 请问模型体积为多少? A B ...
【简答题】妊娠28周末:胎儿身长约_____cm;体重约_____g。
【简答题】阅读理解。 China is the first developing country to host the Olympic s in modern Olympic history. It hopes to learn from other countries that have held Olympic s. As well as new buildings, the gove...
【单选题】脑出血病人发生脑疝时,静脉滴注甘露醇应在多长时间内滴完
A.
15-20min
B.
15-35min
C.
15-40min
D.
15-30min
E.
15-60min
【单选题】The London 2012 Olympic Games marked the third time that London ______ the right to host the modern Olympic.
A.
had had
B.
has
C.
had
D.
has had
【简答题】妊娠28周末时胎儿身长约30cm,体重约1000g,出生后若加强护理,可以存活。(    )
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