伺服系统入门。理解伺服系统的构成、学习理解基本的动作原理和控制的特性。

Servo system started. Understanding of the composition of the servo system, learn to understand the basic principle of operation and control features.

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这个示例说明了为什么对系统软件架构的各个方面编写文档说明，是教育新团队成员和在最少的停机情况下帮助他们入门所必需的。

This example illustrates why documenting various facets of a system software architecture is imperative to educate new team members and help them get started with minimum down time.

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生态学家提出：这样的价值是由“生态系统服务”提供的，在某种程度上，经济学家更好的抓住了这点，尽管他们还只是初入门道。

The idea that the value provided by such “ecosystem services” can be represented by ecologists in a way that economists can get to grips with, though, is rather newer.

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