Aims at Professional Maintenance, understanding the whole maintenance system, establishing the equipment management indicator, master zero fault method, and how to deal with the existing problems;

以专业保全为主要目的，了解完整的保养体系、建立设备管理指标、掌握零故障方法，以及如何处理可能存在的问题；

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That means the best approach is zero-based: at the outset of a new business relationship, assume a very low level of mutual knowledge, understanding and trust.

这说明建立信任最好还是要从零开始：在业务关系刚萌芽的时候，就假定双方在相互认识、相互了解和相互信任方面都处于极低的水平。

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That's zero understanding of the game of baseball.

WSJ: Zack Greinke Breaks Collarbone in Brawl

Here, sub-zero temperatures are created and tests carried out in a specially designed "icing-tunnel" with the aim of understanding ice and its aerodynamic qualities.

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