Do the extensions have a complex structure?

扩展的结构是否很复杂？

Have a complex structure composed of other payloads.

拥有由其它负载组成的复杂结构。

But for the complex structure, it is not satisfactory.

对于构造复杂地区，该法往往失效。

The mature ootid has the outer membrane with complex structure.

卵细胞成熟时，有卵外膜，结构复杂。

Structure that is logically equivalent to a more complex structure.

提供一个在逻辑上与更复杂的结构等效的标准。