educational technology guidance course 教育技术学导论课程
science and technology policy guidance 科技政策导向
precision guidance technology 精确制导
guidance technology 指导技术
gps guidance technology gps制导技术
laser guidance technology 激光制导技术
compound guidance technology 复合制导技术
forecast guidance technology 预报指导技术
Technology of infrared guidance 红外制导技术
Dynamic Route Guidance Technology 动态路径诱导技术
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