The average efficiency calculation method for hydraulic turbines is appraised. In consociation with practical examples, the purport and calculation method of weighted meanefficiency is elucidated.
对水轮机平均效率计算方法进行了评述，结合实例阐明了加权平均效率的意义和具体的计算方法。
2
So, when we talk about efficiency for a software QA team, what we really mean is that we want the team to be able to find more serious bugs sooner.
因此，当我们讨论软件qa团队的效率时，我们真正的意思是我们希望团队能很快找出更严重的缺陷。
3
Indeed, oceangoing vessels are now responsible for 8.6 percent of the world's total annual oil consumption, so even a small increase in efficiency could mean significant energy savings.