protective control
基本释义
保护管束；保护控制
实用场景例句
学术讨论
The risk is proportional to the amount of investment.
风险与投资金额成正比。
日常对话
The punishment should be proportional to the crime.
惩罚应与罪行成正比。
校园生活
The fees are proportional to the number of credits taken.
费用与所修学分成正比。
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