built-up sequence

例句：

1. 1. The engineer used a built-up sequence to design the bridge.
   工程师使用累积序列设计了这座桥。
2. 2.The company has developed a built-up sequence for efficient data processing.
   这家公司已经开发了一种高效的数据处理累积序列。
3. 3. The research team found that the built-up sequence of the DNA double helix was crucial to understanding its function.
   研究团队发现，DNA双螺旋的累积序列对于理解其功能至关重要。