例句與造句

1. It's also notable that there can be a " qualitative " difference between a mechanical fragility test involving a comparatively lower energy stress, such as by agitating one or more beads in the presence of the sample ( a common approach ), versus a higher energy stress, such as by applying ultrasound to the sample.
2. It's difficult to find mechanical fragility test in a sentence. 用mechanical fragility test造句挺難的