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| echinoderm Marine coelomate animals distinguished from all others by an internal skeleton composed of calcite plates, and a water-vascular system to serve the needs of locomotion, respiration, nutrition or perception (海洋类有体腔动物，区别于其他动物之处在于由方解石板组成的一个内部骨架和一个满足运动、呼吸作用、营养或者知觉的水管系。) | |||
| echinoderm | |||
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| echinoderms | |||