通过多次移动平衡块减小偶不平衡，直至达到动平衡精度要求为止。
The precision of the dynamic balance can attain by means of decreasing the couple unbalance through moving the balance blocks many a time.
然而，千百年来，却缺乏对骈偶进行全面而系统的研究，这在《文心》的研究史上是一种极不平衡的现象。
However, since hundred and thousand of years, there has no comprehensive and systematic study about art of parallelism. It is a disequilibrium phenomenon, in the study history of Wenxin Diaolong.
然而，千百年来，却缺乏对骈偶进行全面而系统的研究，这在《文心》的研究史上是一种极不平衡的现象。
However, since hundred and thousand of years, there has no comprehensive and systematic study about art of parallelism. It is a disequilibrium phenomenon, in the study history of Wenxin Diaolong.
应用推荐