field experimentation
2.The Family of UAVs continues to evolve based on field experimentation, Service requirements, and operational requirements from the various warfighting commanders in chief.
3.Because there are a lot of reference data about study area and is absence of known oil-soil field to experimentation research, additionally the study area is affected by factors of complex surface landform, various lithlogy etc. .
4.On the bases of our field work supplemented by laboratory experimentation, the suitablehabitats for the Little Owls (Athene noctua plumipes)in Qishan. county, Shaanxi province are open countries with scatterted trees, earth banks or crevices.
5.The control effect of 5.833%Derby is very well,it is safe for naked barley when it is used about 20g/667m~2 through experimentation and applied broadly in naked barley field.
