Categories of defect depends on experience of maintenance practice.

缺陷的分类一般依照维修实践中的经验来分。

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Proceeding from the maintenance practice of Shen-Da Freeway, this paper introduces the reasons of flood damage and the treatments for it.

本文从沈大高速公路的养护实践出发，介绍了高速公路水毁原因及其防治。

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LPMS was developed from the highway maintenance practice of Guanxi and is characterizedby less data items, simple structure and practicability.

系统紧密结合广西公路管理的实际，具有数据项需求少，构造简单，实用性强等特点。

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Before, students had to make one of two choices: to practice constant vigilance and maintenance of their public profiles online or risk exposing their sharing, web-surfing habits and communication with friends to their professors, employers and parents.

FORBES: Students, SnapChat, Wickr: Staying Private and Productive Online

But, if the main objective is to draw all European countries into dialogue, that will not in practice be compatible with the maintenance of uniformly high moral and political standards for membership.

ECONOMIST: Walter Schwimmer, timid moral policeman | The

Like any other third party practice the SAP division holds a maintenance contract on behalf of customers in which it is allowed to maintain the software of a rival like PeopleSoft.

FORBES: SAP Has Sticky Fingers For Oracle's Secrets