电磁炉不用时已不消耗电能,不必切断插座开关或拨掉插头。
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国内信用证项下贸易融资业务中哪些属于低信用风险业务()。
A. 自营福费廷
B. 单证相符的卖方押汇
C. 买方押汇
D. 打包贷款
情绪的产生是客观事物与一个人内心()是否满足的态度体验。
A. 需要
B. 感受
C. 情感
D. 表达
E. 需求
You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?()
A. use the external table population
B. use the Oracle Data Pump export and import utility
C. use the conventional path data load of SQL*Loader utility
D. use the direct path data load of Oracle export and import utility
GTO有哪些主要参数?其中哪些参数与普通晶闸管相同?哪些不同?