These days satellites are used far more widely for communications, terrestrial navigation, cropmonitoring and much more.
如今卫星被更广泛的应用在通讯，陆地导航，农作物监测等等。
2
Crop yield estimation by remote sensing and crop growth simulation models have highly potential application in crop growth monitoring and yield forecasting.
卫星遥感估产和作物生长模拟两项新技术在作物监测和估产方面有巨大的应用价值。
3
The crop water stress index (CWSI) model for monitoring summer maize water stress in North China Plain (NCP) was set up in this paper.