水螅水母纲

Epithelial cells and muscle is connected to a primitive phenomenon, Hydrozoa in some hard-jellyfish and jellyfish as well as most bowl Anthozoa animals, epithelial cells can be no contraction of the above-mentioned processes.

上皮细胞与肌肉相连是一种原始现象，水螅纲中的有些硬水母以及大多数钵水母和珊瑚纲动物，上皮细胞没有上述能收缩的突起。

The two key link in many types of jellyfish are generational-type and Hydra type.

这两个纲的许多种类都有水母型和水螅型的世代交替。

Hydrozoa jellyfish type generally small inner edge of affinity for umbrella surface membrane.

水螅纲的水母型一般较小，内伞面边缘有缘膜。

A gas-filled sac serving as a float in some colonial marine hydrozoans, such as the Portuguese man-of-war.

气囊，浮囊在某些群居的海生水螅纲动物中，用作漂浮物的一种充气小囊，如葡萄牙的僧帽水母的浮囊

A material impervious to water .A gas-filled sac serving as a float in some colonial marine hydrozoans, such as the Portuguese man-of-war.

气囊，浮囊在某些群居的海生水螅纲动物中，用作漂浮物的一种充气小囊，如葡萄牙的僧帽水母的浮囊

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。