An on line high precisionsystem with laser and optical fiber sensors for measuring the surface roughness in precision machining is reported.
介绍一个高精度的激光光纤传感式精密加工表面粗糙度在线检测系统。
2
For the foundation of high-quality raw materials, through precisionsystem and ring upon ring of quality inspection, meticulously create a series of aluminum alloy EMS office chair.
以高品质原材料为基础，精密制工、层层质检，精心制造出以铝合金为主的EMS系列办公椅。
3
As for the high precision positioning of underwater targets, the GPS sonobuoy technique has two bottlenecks: high precisionsystem clock synchronization and high accuracy time delay estimation.