证券交易所设总经理1人,由国务院证券监督管理机构任免。()
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三相交流异步电动机电磁转矩与外加电压的平方成()关系。
A. 反比
B. 无关
C. 正比
You intend to discharge medical or hazardous wastes ashore MARPOL annex V requires you to notify a receiving port or terminal in advance.How much advance notice require?()
A. 12 hours
B. 24 hours
C. 48 hours
D. Advance notification is not required