例句與造句

1. The sources of noise arise from length-dependent Brownian motion of the bead anchored by the extended hairpin, statistical error in bead position determination, and slow mechanical drifts.
2. As the TEM can operate over a wide range of magnifications, the stage must simultaneously be highly resistant to mechanical drift, with drift requirements as low as a few nm / minute while being able to move several ?m / minute, with repositioning accuracy on the order of nanometers.
3. It's difficult to find mechanical drift in a sentence. 用mechanical drift造句挺難的