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Hemichordata
释义
Hemichordata
Encyclopedia
理学
半索动物
释
Hemichordata
半索动物
具口索、鳃裂和背神经索以及身体由吻、领、躯干3部分组成的蠕虫状后口动物,代表动物如柱头虫,又称隐索动物(Adelochorda)。
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upper cold and lower heat
upper cone
upper confidence bound
upper confidence limit
upper continuous
upper continuous lattice
upper control limit
upper-convected Maxwell model
upper convex function
upper corner beam
upper critical dimension
upper critical field
upper critical magnetic field
upper critical point
upper critical solution temperature
upper critical solution temperature (UCST)
upper crust
upper culmination
upper cut-off frequency
upper Darboux integral
upper Darboux sum
upper decimal approximation
upper density
upper derivative
upper deviation
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