A new kind of three dimension measuring meter for rotation swing angle of cervical vertebra according to GHC 3 geodetic magnetic field orientation sensor and single chip processor is desingn.

This article sums up principle? operational character and its art by utilizing greenery technology of the three-dimension vegetative net to plant grasses with spraying sowing based on widely practice along edges and slopes of highway, with that of conclusion which facilitate to push forward biological protection and ecological environment development of the edges and slopes.