n. hairspring
当测量小扭力时，用细弹簧替换粗弹簧。
When measuring the lower torque, replace to with a liny spring.
他运用娴熟的技巧，把一根细弹簧设成了一个陷阱，想捕获安逸和自立，但是还没等转身，自己的一条腿就陷了进去。
With consummate skill he has set his trap with a hair spring to catch comfort and independence, and then, as he turned away, got his own leg into it.
拍摄这个尘埃的设备称为原子力显微镜，通过用弹簧末端上的一个细尖扫描尘埃来绘制这个颗粒的三维形状。
The device that imaged the dust speck is called an atomic force microscope, which maps the shape of particles in three dimensions by scanning them with a sharp tip at the end of a spring.
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