遥感技术系统可分为主动式、被动式和动态式三种。
参考答案：错
, we lack practice and experience nowadays in dealing with the complicated
economic situation.
A．Luckily
B．Previously
C．Doubtfully
D．Indeed
第五套人民币5种面额的纸币在正面行名下方均印有无色荧光图案
