三相绕组转子异步电动机用频敏变阻器起动，起动过程是其等效电阻的变化是从（）变（），其电流变化是从（）变到（）。
参考答案：大、小、小、大
The Standards of Professional Conduct relating to market manipulation prohibits members from:（）
A. securing a controlling, dominant position in a financial instrument to exploit and manipulate the price of a related derivative and/or the underlying asset.
B. undertaking transactions on legitimate strategies based on perceived market inefficiencies.
C. both securing a controlling, dominant position in a financial instrument to exploit and manipulate the price of a related derivative and/or the underlying asset and undertaking transactions on legitimate strategies based on perceived market inefficiencies.
使用EFS文件加密功能加密后的文件，（）。
A、管理员可以删除
B、管理员不能删除
C、任何用户都可以删除
D、任何用户都不能删除
