成份指数的英文：
component index

• time change component
  定时更换的部件
• Create component as new on the descendent.
  创建新的派生组件.
• A computer consists of thousands of components.
  电脑由成千上万个部件组成。
• These are the component parts of that machine.
  这些是那台机器的零组件。
• Is a single component analysis sufficient or is it desirable to do a multi-component analysis?
  单一组分的分析已经足够还是需要进行多组分分析?

• The simplest form of a composite index is an unweighted aggregates index
  综合指数最简单的形式是不加权数的总计指数。
• Social Sciences Citation Index
  社会科学引文索引
• The radius represents the advancement index.
  辐枝代表进化指数。
• Weeds are an index to the character of the soil.
  杂草是反映土壤特征的一个指标。
• Painters and sculptors are indexed separately.
  画家和雕刻家被分开，分别做了索引。