The management plan has four main components.

该管理计划有4个主要组成部分。

《柯林斯英汉双解大词典》

Water, malt, hop and yeast are the main components of the beer production process.

水、麦芽、啤酒花和酵母是啤酒酿制过程中的主要成分。

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The kit comprises the following main components: phosphoenol pyruvate carboxylase, pyruvate dehydrogenase and a stabilizer.

该试剂盒包含以下主要成分：磷酸烯醇丙酮酸羧化酶，丙酮酸脱氢酶和稳定剂。

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The boom in ethanol has been driven by three main components--a blenders' credit that creates an incentive for producers who add ethanol to their fuel, an import tariff that keeps out foreign competitors, and a renewable fuels standard that sets the level of production.

FORBES: Magazine Article

And quarter by quarter, we've seen an increase in different investments to -- different investments in different sectors of what the recovery plan invested in -- understanding, Major, that one of the primary things that -- probably one of the three main components of the legislation was, as you said, aid to states, that also goes out quite quickly.

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It is part of a quiet move by the company to be less dependent on synthetically created chemicals, which include the main components in Scotts' distinctive blue Miracle-Gro plant food.

FORBES: Magazine Article