猎犬

Among the breeds on the decline are the Lhasa Apso, down 80 percent, Rottweiler (down 76 percent), Schipperke (75 percent), the Basset Hound (66 percent) and the Miniature Pinscher (75 percent).

数量减少的犬种包括拉萨犬（减少80%）、罗特韦尔犬（减少76%）、比利时小狗（75%）、矮脚长耳猎犬（66%）和迷你杜宾犬（75%），艾莫劳峡谷梗以及英国和美国猎狐犬为最不受欢迎犬种。

Among the breeds on the decline are the Lhasa Apso, down 80 percent, Rottweiler (down 76 percent), Schipperke (75 percent), the Basset Hound (66 percent) and the Miniature Pinscher (75 percent).

数量少减的犬种包括拉萨犬（减少80%）、罗特韦尔犬（减少76%）、比利时小狗（75%）、矮脚长耳猎犬（66%）和迷你杜宾犬

Among the breeds on the decline are the Lhasa Apso, down 80 percent, Rottweiler (down 76 percent), Schipperke (75 percent), the Basset Hound (66 percent) and the Miniature Pinscher (75 percent).

数量减 萨犬（减少80%）、罗特韦尔犬（减少76%）、比利时小狗（75%）、矮脚长耳猎犬（66%）和迷你杜宾犬

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。