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被囊动物
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被囊动物
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被囊动物
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tunicata
被囊动物
一类滤食性海洋动物,因其体表披有一层植物性多糖纤维素(polysaccharides related to cellulose)的被囊(tunic)而得名。由于幼体尾部具有脊索(notochord)结构,又称尾索动物。
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single lens reflex finder
single-lens translucent digital camera
single lens viewfinder
single level
single level cell
single-level cell
single level cell, SLC
single-level standardization problem
single line
single-lined binary
single line diagram for hydropower station
single-lined spectroscopic binary
single-line operation
single line propagation
single linkage
single linked list
single liquid quenching
single-loop approximation
single loop control
single loop control system
single-loop diagram approximation
single loop regulator
single loop servo system
single-loop-type galvanometer
single-machine problem
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