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> 读所给水分含量对玉米叶子反射率的影响图，回答问题。小题1:要监测玉米缺水状况，首先采用的现代化技术是 A．全球定位系统 B．地理信息系统 C．遥感 D．决策支持系统小题2:监测玉米含水量变化，主要是通过监测玉米的______来判断玉米的生长状况 A．电磁波特征 B．种植密度 C．种植面积 D．形状特征

问题：

发布时间：2020-03-13

读所给水分含量对玉米叶子反射率的影响图，回答问题。

小题1:要监测玉米缺水状况，首先采用的现代化技术是

A．全球定位系统 B．地理信息系统

C．遥感 D．决策支持系统

小题2:监测玉米含水量变化，主要是通过监测玉米的______来判断玉米的生长状况

A．电磁波特征 B．种植密度

C．种植面积 D．形状特征

参考答案：

提问用户：Gm***ENI

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