coherent grain boundary

例句：

1. 1.The new design is coherent with the old one.
   新设计与旧设计一致。
2. 2. The team's work was coherent and well-organized.
   团队的工作是连贯的，组织得很好。
3. 3.The book's structure is coherent and easy to follow.
   这本书的结构是连贯的，容易理解。