用气泡或腮呼吸生活于南半球的多骨鱼类；有时被归为总鳍鱼类。
Bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of crossopterygii.
刺鳐是鲨鱼的近亲，种类有200多种，善于无骨鱼类，其骨架是由软骨构成的。
Like their close relatives the sharks, the 200-odd species of stingrays are boneless fish that boast skeletons made of tough tissue called cartilage.
所以，擅长研究鱼耳石(记录鱼类迁徙类型历史的耳骨)的福岛先生说他必须抓紧时间完成自己的研究。
And so Mr Fukushima, whose expertise is in examining otoliths-the ear bones that provide a history of a fish's migratory patterns-says he feels he must hurry to finish his research.
对于在场发现的这半块头骨及其它20000块骨片的测量表明，这种动物属于食物链上游的动物，它可捕食乌贼，鱼类以及其他海洋爬行动物。
Measurements of the partial skull and 20, 000 other bone fragments uncovered at the site showed that the creature was at the top of the food chain, preying on squid, fish and other Marine reptiles.
他还找到一块用于烘焙圆面饼的古代托盘，同时出土的还有数百段来自于牛、羊以及鱼类的骨头——但没有猪骨。
He also found an ancient tray for baking pita bread, along with hundreds of bones from cattle, goats, sheep, and fish-but no pig bones.
结果：鱼类胶原蛋白肽的补充可以增加体积尺寸，矿物质密度，净重，骨灰重，大多数矿物质含量，以及在成长中雄性老鼠大腿骨的柔软性和韧度。
RESULTS: MCP supplementation could increase the size, mineral density, dry weight, ash weight, content of most minerals and both stiffness and toughness of femurs in male growing rats.
JG系列锯骨机，骨类加工机械，是肉、骨、冻肉、家禽、鱼类的理想分解设备；
JG series bone saw machine, suitable for break up various bones with meat, frozen meat, poultries and fishes etc;
JG系列锯骨机，骨类加工机械，是肉、骨、冻肉、家禽、鱼类的理想分解设备；
JG series bone saw machine, suitable for break up various bones with meat, frozen meat, poultries and fishes etc;
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