动物学野外实习
fieldwork for science of animal
旅游野外实习
field practice of tourism
野外实习指导
the guidance of fieldwork
野外实践教学
Field practice teaching
fieldwork practice teaching
geographical field practice teaching
野外实验观测
field experimental observation
校外实习
off-campus internship
Practice outside the college
off-campus practice
校外实习基地
practice bases outside university
outside-school practice base
CD-10野外伽马全谱仪
CD-10 field gamma-ray full spectrometer
NDV野外强毒株
Virulent field strain of NDV
V字型野外火隔离弹
V type wildland isolation bomb