Therefore, the enterprise management system this paper presents uses a three-tier C / S structure.

因此，本文提出的企业人事管理系统采用了三层C/S结构。

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The empirical application of hospital management system has proved the effectiveness of N-tier C/S structure for information management.

实践说明多层C/S结构用于中小型医院的信息管理是有效的。

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In particular the assessor's emails focus on the raising of the grade C boundary on the lower tier English exam paper by 10 marks between January and June.

BBC: English GCSE: Senior exam board figure quits AQA