1.无效力的,无实效的,疗效不好的
1.not having a positive or useful effect
1.Then, a method based on multi-threshold segmentation was proposed, which can eliminate inefficacious gradient information.
然后提出基于多阈值分割的方法消除无效梯度信息;
2.When other modalities become inefficacious , Argon- helium knife still can get very good results .
其它方法都无效的情况下,氩氦刀依然取得非常好的效果。
3.laws that are inefficacious in stopping crime.
在阻止犯罪方面没有效果的法律。