A component is a constituent part.

一个组件就是一个基本的组成部分。

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It is essential to a thing that it can be a constituent part of an atomic fact.

事物的本质就是，它可以成为某个原子事实的一个组成部分。

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Management accounting, a new and rising accounting subject, is a constituent part of the management science.

管理会计是管理科学的组成部分，是一门新兴会计学科。

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Even overwhelming approval is not sufficient to turn a painting into an icon, although it is a constituent part of the process.

BBC: Too famous to see?

It depends, of course, on what is meant by empire, and therefore on what counts as a constituent part.

ECONOMIST: America and empire

The UK and Ireland Blue Shield Committee, which is a constituent part of the ICBS, is a standing Committee of the UK National Commission's Culture Committee.

UNESCO: UK National Commission for UNESCO :: International Committee of the Blue Shield expresses sorrow and solidarity with Haiti