A new linear displacement sensor with sealed ultra-longprecision steel belt grating is studied.
研制了一种新型的密封式超长精密钢带光栅线位移传感器。
2
A new ultrasonic honing device which is used to hone longprecision holes of high-strength steel is designed and manufactured and honing experiment research is done in this paper.
针对高强度钢精密深孔加工中存在的难题，研制了一套超声珩磨装置并进行了试验研究。
3
Collectors prize the ancient life-size clay statues of human figures made on Kali Island but have long wondered how Kalinese artists were able to depict bodies with such realistic precision.