Article by seven components: 1, Foreword.

文章由七部分组成：一、前言。

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Unlike most workers in the field, he has an engineering background, and is thus ideally placed to look into the biological repair shop. As he sees things, ageing has seven components;

与这一领域大部分人不同的是，他的专业背景是工程学，这为他对“生物维修厂”进行研究提供了理想条件。

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However, several recent international meetings have suggested that the following seven thematic elements are key components.

然而，最近的几次国际会议已经表明，以下七个主题要素是关键成分。

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Its three suspension towers now include 12 components--including silicon fluid dampening--and seven mechanical filters to limit unwanted vibration.

FORBES: Life