Mr Gupta said the tributaries and rivers which can been seen on the satellite photographs were an important indicator of the potential for life.

古普塔说，能够在卫星照片上看到的支流和河流是证明可能有生命的重要标志。

youdao

Capacity of repetitive observation of remote sensing satellite sensors is a key indicator of the system's dynamic monitoring ability.

遥感卫星传感器的重复观测能力是体现卫星系统动态监测能力的重要指标之一。

youdao