查询词典 null class

Class Asteroidea：(海星纲)如海星

Class Crinoidea(海百合纲)如海百合Sea lily | Class Asteroidea(海星纲)如海星Starfishes | Class Ophiuroidea(阳隧足纲)如阳隧足Brittle stars

Class Aves：(鸟纲)如鸟

Class Reptilia(爬虫纲)如蛇Snakes | Class Aves(鸟纲)如鸟Birds | Class Mammalia(哺乳纲)如人Human

Class BIVALVIA：(双壳纲)如蛤蜊

Class Gastropoda(腹足纲)如蜗牛Snails | Class Bivalvia(双壳纲)如蛤蜊Clams | Class Cephalopoda(头足纲)如鹦鹉 Nautilus

Class Calcarea：石灰海绵纲

海绵是多孔动物主要分为三大类(纲) : 石灰海绵纲 (Class Calcarea), 寻常海绵纲 (Class Demospongia) 及 六放海绵纲 (Class Hexactinellida). 海绵是最古老及最简单的多细胞生物, 它们是固着的滤食性动物,每分钟可过滤其体积三至四倍的海水;

Class Cestoda：绦虫纲

自由生活种类广泛分布在海水和淡水的水域中,少数在陆地上潮湿土中生活. 大部分种类为寄生生活. 全世界约1.2万种,中国已发现近1000种. 按其形态结构及生活习性分为三纲:涡虫纲(Class Turbellaria)、吸虫纲(Class Trematoda)和绦虫纲(Class Cestoda).

Class Chilopoda：唇足纲

倍足纲 Class Diplopoda | 唇足纲 Class Chilopoda | 蛛型纲 Class Archnida

Class Ciliophora：纤毛虫纲

肉足虫纲 Class Sarcodina | 纤毛虫纲 Class Ciliophora | 孢子虫纲 Class Sporozoa

clinohedral class：[晶]斜面类

children's class 幼儿班 | clinohedral class [晶]斜面类 | clipping coupons class 剪息票阶层, 食利阶层

Class Crinoidea：海百合纲

海噀纲 Class Holothuroidea | 海百合纲 Class Crinoidea | 软骨鱼纲 Class Chondrichthyes

cyclically moving class：循环移动类

cutting class 采伐级 | cyclically moving class 循环移动类 | density class 密度级

the bird of wonder：凤凰;长生鸟

the bird of peace鸽子 | the bird of prey 猛禽 | the bird of wonder凤凰;长生鸟

flange rail：平底轨条

"凸缘皮带轮","flange pulley" | "平底轨条","flange rail" | "凸缘肋","flange rib"