发展阶段

The tribe's development was more primitive than that of their neighbours.

那个部落处于比邻近部落更原始的发展段。

This country is now at an intermediate stage of development.

这个国家目正处于发展的中间段。

The failure process of fiber concrete is: elastic stage, crack stage, crack development stage and fracturation stage.

相应的纤维混裂过程包括：弹性段、开裂段、裂缝发展段、裂段。

The area had undergone such evolution stages as passive borderland basining, squeerze-retrograde nose-like swelling, cratonic inner sagging. intracratonic basining and para-foreland basin.

克拉通内凹陷段；克拉通内坳陷盆地发展段陆盆地发展段。

The fibrosis of liver not only causes chronic hepatitis, hypohepatia, and sequelae after cure, but also is the necessary process of hepatocirrhosis.

肝纤维化不仅造成慢性肝炎、肝功能异常影响愈后，而且是诸多慢性肝病向肝硬化发展的必经段。

The new framework, comprising a pre-trilobite series and three trilobite-dominated series, reflects the major evolutional stages of the life on Earth during Cambrian Period.

新的划分方案包括1个“三叶虫统”3个“三叶虫优势统”，反映了寒武纪生命发展的主要段。