利用最新的月球重力场模型GL0660b对嫦娥三号探测器定轨的影响进行分析,并与LP150Q和SGM150模型进行了比较。首先计算了三个重力场......

首先介绍了嫦娥三号任务中,VLBI观测网、VLBI中心的设置和处理流程,然后简单介绍了差分单程测距(delta-differential one-way rang......

Cellulase is an enzyme produced by fungi, bacteria, protozoa and termite, that hydrolyze cellulose. They are known for t......