向地面发送 meaning in Chinese

transmit down

This instrument can automatically send the information from the irradiation belts based on the detecting results , which will provide an foundation for the reinforcement of aircraft irradiation resistance . a multi - functional spectrometer - identificator is developed to measure fluxes and spectra of protons , alpha particles , oxygen and iron ions in space
根据要求自动向地面发送空间不同位置的带电粒子通量和它与能量关系的讯息，主要用于近地空间辐射环境的探测和监测，为空间飞行器的抗辐射加固提供依据。