closed system

汉语翻译

【计】 闭合系统
【化】 封闭系统
【经】 闭锁制度

例句

The purpose of this seminar is to reform the old closed system so as to establish the new system of educational assessment.研讨会旨在改革旧的封闭式的评价制度，从而建立新的教育评价体系。