?间接观测
... 间接射控 indirect fire control 间接观测 indirect observations 间接追瞄 indirect tracking ...
?间接观察
... 间接观测法 method of indirect o ervation; method of indirect observation 间接观察 indirect observations 观看,旁观 look on ...
间接观测平差
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。