break down into

• Physically , the rocks break down into smaller and smaller pieces
  而在物理变化方面，岩石逐渐变成越来越小的碎片。
• Physically , the rocks break down into smaller and smaller pieces
  物理变化，岩石会慢慢分解成越来越小的碎裂岩石。
• International trade can be broken down into two areas , imports and exports
  国际贸易可划分为两部分，进口和出口。
• Physically , the rock breaks down into smaller and smaller pieces
  物理方面，形成于岩石碎裂后变成越来越小的岩块。
• Physically , the rocks break down into smaller and smaller pieces
  从物理变化方面来说，岩石逐渐变成越来越小的碎片。
• This cycle of the moon is broken down into 4 smaller cycles , of 7 day each
  一个月的周期又分成4个更小的周期，每个7天。
• It is broken down into categories such as diffuse , limited , crest , and overlap
  分为弥漫性硬皮病、局限性硬皮病、 crest综合症和复合型。
• The variations vector is then broken down into " profit signal " and " noise " vectors
  然后变量矢量被分成“有效信号”矢量和“噪声”矢量。
• The pyretic acid formed by glycolysis is broken down into acetaldehyde and carbon dioxide
  糖酵解过程中产生的丙酮酸分解为乙醛和二氧化碳。
• The sales subject area is broken down into four schemas with the following characteristics
  销售主题区域分为具有以下特征的四个架构：分销商销售