However, the heavier unbalanced radial force existed in the traditional two-gear's gear pump is a chief factor to affect the pump's service life.
但是传统的二齿轮式齿轮泵存在较大的不平衡径向力，成为制约齿轮泵寿命的主要因素。
2
The data with missing values in two-factor experiment with randomized block design is the unbalanced data with unequal replications of level combination of two factors.
有缺失数据两因素随机区组试验资料是两因素水平组合重复数不等的非平衡资料。
3
The power factor of power system will be decreased by under-compensation of reactive power and it is harmful for the devices of customers while the power in the three phases are unbalanced.