Digital speckle measurement is a kind of non-contact and full-field opticalmeasurementmethod.
数字散斑测量是一种非接触、全场测量的高精度光测方法。
2
The opticalmeasurementmethod can not only be used to accurately measure the concentration of methane gas, but also be safe and reliable.
采用光学测量方法,不仅能精确测量甲烷气体浓度,而且安全可靠。
3
To provide an opticalmeasurement device for making an examination efficiently by an opticalmeasurementmethod and enabling the prevention of erroneous examination.