If your time log shows your efficiency ratio to be on the low side, try severely limiting your total amount of working time for a day, and see what happens.
假如你的日程表显示你的效率比十分低下，那就试着在一天中严格限制你的工作总时间，看看成果如何。
2
The likelihood ratio criterion of sphericity test, its asymptotic expansion and limiting distribution are obtained.
论文得到了球形检验的似然比准则，它的渐近展开与极限分布。
3
Through the limiting drawing ratio tests, the influences of rolling, annealing, blank holder force, drawing gap, drawing temperature and speed on the forming performance were investigated.