以上来源于: WordNet
Errors are easily made that prevent the trial balance from balancing.
致使试算表不平衡的错误是很容易犯的。
The success rate of shafting balancing without trial weights is about 90% to common shafting unbalance and it is better than other methods.
目前对一般的轴系不平衡，一次加准法成功率已达90%，其平衡效果优于其他轴系平衡法。
An optimization model of optical tolerance is proposed to enable straight forward calculation instead of the usual tolerance-budget balancing by trial and error.
本文提出的光学公差优化模型可迅速地计算出结果，而不必象通常那样进行反复调整试算。
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