The working principle, technical specification and maintenance standard of the new WXJ25 phase-sensitive track circuit receiver were introduced in this paper.

介绍新型WXJ25型微电子相敏轨道电路接收器的工作原理，技术条件及维修标准。

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With this technical set and the maintenance standard, the method for selecting maintenance means is set up, providing basis for the rational decision in maintenance planning.

根据养护标准和养护技术集，建立了养护技术的选择方法，为合理制定养护方案提供依据。

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This separation allows one node to undergo standard maintenance while the other node continues processing.

这种分离允许一个节点接受标准维护，而其他节点继续处理。

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"Some treated this as just part of their standard maintenance contract, " Alden says.

CNN: Y2K teams: 'We're ready'

In addition to the establishment of studio facilities and training sessions, two operations manuals governing studio protocols and maintenance, as well as standard operational procedures now support the functions of the UGCCS Radio-Television studios.

UNESCO: MEDIA SERVICES

Since the intangible benefits of buying a hybrid are difficult to quantify, calculating the payback usually focuses on the specific hybrid you buy, sales price differential to a standard car, projected gas costs, maintenance costs and tax rebates.

FORBES: How Long Until Your Hybrid Pays Off?