愿打架的

King heaven bird The figure is not the biggest, but natural disposition is distinctive: One of, duteous to love not change, no matter men and women, in one day is in love, lifetime photograph companion, also do not fight, not clamorous also, caring forever each other so, cherishing each other, which day loses a partner, another bird is absolutely won't remarry or marry additionally, however fast in order to die; Secondly, their natural disposition is alone, do not wish and other plant group of commensalism one place, but every time the environment has change, they fly high in the sky, appropriative migrate the person lead a way of the team.

大王天堂鸟身材不是最大，但禀性特异：其一，对爱情忠贞不渝，无论男女，一朝相恋，就终生相伴，也不打架，也不吵闹，就那么永远地互相关心着，互相爱护着，哪一天失去伴侣，另一只鸟绝对不会改嫁或另娶，而是绝食以死；其二，它们生性孤独，不愿和别的种群共栖一处，但是每当环境有变，它们却高高地飞在天上，充当迁徙队伍的引路者。

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。