环境监测卫星

environmental monitoring satellite

　　China has successfully launched two environmental monitoring satellites, the HJ-2A and HJ-2B satellites, from the Taiyuan Satellite Launch Center.

　　The HJ-2A and HJ-2B are 16-meter optical satellites with high mobility, precision control and stability, as well as strong load adaptability and long lifespans.

　　They will support the monitoring of natural disasters and land utilization, regulation and protection of water resources, dynamic monitoring of crop areas and assessment of yield, as well as quake emergency rescue.

　　中国从太原卫星发射中心成功发射了HJ-2A和HJ-2B两颗环境监测卫星。

　　HJ-2A和HJ-2B光学卫星，长16米，具有移动性 强、控制精度高、稳定性高、负载适应性 强、使用寿命长等特点。

　　这些卫星将强化对自然灾害、土地利用和水资源的监测，为作物面积的动态监测和产量评估以及地震应急救援提供支持。