Complex internal structure helps prevent cracking and breakages which are common to this style of bucket.

复杂的内部结构有助于防止这类铲斗使用中常见的开裂和折断。

youdao

The Tanlu fault zone, a NNE fault zone in east China, has a complex internal structure and a broad scale. It is about 2400km long within China.

郯庐断裂带是中国东部一条结构复杂、规模巨大的北北东向断裂构造带，在我国境内长达2400多公里。

youdao

In 1898 he identified what he termed the "internal reticular apparatus"; the identification of this structure, which would later be named the Golgi complex, was a major breakthrough in cytology.

1898年，他鉴别出了被他命名为“细胞内部的网状结构”的结构；对于这一结构——现在被称为高尔基体——的鉴别，是细胞学上一个重大的突破。

youdao