The quasi - geoid computed by geopotential model is fitted with the quasi - geoid measured by GPS leveling.將地球位模型計算的阜新似大地水準面擬合于GPS水準實測的似大地水準面.Geodetic leveling should be done with staves in which the onstrip of invar.大地水...
Among the properties which do not show a leveling - off are the viscosities of solutions and melts.溶液和熔體的粘度等性能曲線并不呈現(xiàn)平坦.The main products are light roller, concrete leveling machine, engineering, light trucks.主要產(chǎn)品有輕型壓路機 、...