n.棘皮動物

It is called an " Echinoderm", which means it is spiny-skinned. 被稱為“棘皮類動物”，這意味著牠們具有多刺的皮膚。

Any aquatic mollusk, crustacean, or echinoderm that has a shell. 有殼的水生軟體動物、甲殼動物或棘皮動物的統(tǒng)稱。

The echinoderm biomass in the fine sediments area in higher, the species diversity in the coarse sediments area is higher. 細顆粒沉積區(qū)中生物量較高,而粗顆粒沉積區(qū)種類多樣性較高。

The gamma ray value of reef bafflestone is higher than those of sparrenite and sparrudite , and lower than those of micritic limestone , wackstone , echinoderm grainstone and marlstone. 礁灰?guī)r的自然伽馬值高于亮晶砂、礫屑灰?guī)r，而低于泥晶灰?guī)r、棘屑灰?guī)r、泥晶生屑灰?guī)r、泥灰?guī)r的放射性。

Advances on Chromosome Study of Echinoderm 棘皮動物染色體的研究進展