As baidu bidding system promoted, how much I want to every webmaster heard of their operation method.

随着百度竞价系统的大力推广，我想每一位站长都多少听说过它们的运行方法。

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However, owing to the outdated project management system and nonstandard architectural market, there exist some problems such as schedule control, operation management and bidding, etc.

但由于当时水利工程管理体制的落后及建筑市场的不规范，在进度控制、运行管理、招投标等方面存在一些问题。

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