同义词

a. firm，steady

参考例句

1. The cutters used in high speed machining(HSM) have poor rigidity, therefore the method fits to HSM of die cavity due to the unfluctuating cutting force characteristic.
其切削力平稳的特性更适合于模具型腔的高速数控加工，可以克服高速加工用刀具刚性差的不足。

英英解释

adj.
  1. not liable to fluctuate or especially to fall

网络释义

unfluctuating
稳定; 不波动的 不起伏的 稳定的 不变的;