This Recommendation considers the maintenance and control of fixed installations and portable extinguishers.

本建议考虑了固定灭火装置和手提灭火器的维护和管理问题。

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By analysing the current situation of building, maintenance and control of highway in Taiyuan county highway, the paper discussed how to establish unified model.

通过对我市县乡公路建设、养护、管理现状的分析，探讨如何建立统一的建、养、管模式。

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In this approach, data is consistently defined and packaged from process to process, consistent rules are applied to the data, data quality is improved, and control and maintenance is centralized.

在这种方法中，数据在不同流程之间一致地进行定义和打包，向数据应用一致的规则，数据质量得到了改进，并且控制和维护得以集中。

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He points out that family businesses are characterized by efforts on the part of ownership to balance financial performance with maintenance of family control and benefits for future generations.

FORBES: How Can Family Business Be More Entrepreneurial?

Efforts to improve international regulations regarding the certification, inspection and maintenance of aircraft environmental control systems are needed.

CNN: Commentary: Flu and your health on a plane

One day, the company's engineers hope, drive-by-wire could link to the fancy cruise-control, lane-maintenance and vehicle-separation systems that are already being used in some Mercedes models.

ECONOMIST: Drive by wire