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【判断题】
当异步电动机的转子转速小于同步转速(n < n0)时,电机处于发电运行状态, 当n > n0时,电机处于驱动运行状态。
A.
正确
B.
错误
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【多选题】3DS MAX提供了的摄像机类型有
A.
动画摄像机
B.
目标摄像机
C.
自由摄像机
D.
漫游摄像机
【简答题】手工电弧焊,当板厚()时,必须开单V形坡口或双V形坡口焊接。 A.≤6mm B.6mm D.≧12mm
【简答题】Read the dialogues and complete the sentences Dan : Did you buy the magazine? Fay : No, sorry. I forgot. Fay forgot
【简答题】close design locate chain hotel 1. Vacation hotels are ______ for people on vacation. 2. Economy hotels are a kind of ________. 3. They are usually very _____ to the scenic spot. 4. They are usu...
【简答题】根据《中华人民共和国船员违法计分管理办法规定》中华人民共和国海事机构对( )实施违法计分管理。 1违反水上交通安全管理规定受到海事行政处罚的船员 2船舶安全检查存在缺陷的当事船员 3实际操作检查不合格的船员 4船舶安全检查存在缺陷的船舶A. ①②④ B. ①②③④ C. ②③④ D. ①②③
【单选题】Please choose the item similar to the underlined word in the this sentence:"The struggles and wrangle s of the lads for her hand in a jig were an amusement to her - no more."
A.
climb
B.
quarrel
C.
crying
D.
crawl
【简答题】TV news presenter Phil’s first job after university was on local (14) . Before presenting the news, Phil looks through the day’s (15) . Phil says that he’s very careful about which (16) he wears. Phil...
【简答题】Read the dialogues and complete the sentences Kate : Can I leave a deposit? Shop assistant : Of course. Kate wants
【单选题】甲公司是一家模具制造企业,正在制定某模具的标准成本。加工一件该模具需要的必不可少的加工操作时间为90小时,设备调整时间为1小时,必要的工间休息为5小时。正常的废品率为4%。该模具的直接人工标准工时是()小时。
A.
936
B.
96
C.
99.84
D.
100
【简答题】《道德经》里说:“天之道损有余而补不足,人之道则不然—— 。”
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