Three controls were usually emphasized in the engineering project implementation process: quality control, progress control and cost control.

工程项目实施过程中通常强调三大控制：质量控制、工期控制、成本控制。

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When it came to implementation, the Group proposed supporting a "quality process", the principle of flexibility and acceptance of shared responsibility for success or failure.

UNESCO: Bulletin on EFA action worldwide No.45