小软鳍鱼科

Any of various small,soft - finned fishes of the family Cyprinodontidae,which includes the killifishes,topminnows,and many species popular in home aquarium s.

科中的一种小软鳍鱼，其中包括？、底？和许多家庭观赏鱼中常见的品种

Any of various small, soft-finned fishes of the family Cyprinodontidae, which includes the killifishes, topminnows, and many species popular in home aquariums.

鳉鳉科中的一种小软鳍鱼，其中包括鳉、底鳉和许多家庭观赏鱼中常见的品种

Any of various small,soft - fin ned fishes of the family Cyprinodontidae,which includes the killifishes,topminnows,and many species popular in home aquariums.

科中的一种小软鳍鱼，其中包括？、底？和许多家庭观赏鱼中常见的品种

Large family of small soft-finned fishes; killifishes; flagfishes; swordtails; guppies.

小型软鳍鱼类的一个大科；淡水鳉科小鱼；花尾汤鲤；剑尾蝽；古比鱼。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。