如果用电脑替代人工记账，这样对记帐员的需求曲线会向右移动。
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我们将物联网信息处理技术分为那四个层次？（）
A. 物联网应用服务
B. 节点内信息处理
C. 汇聚数据融合管理
D. 语义分析挖掘
If a DSC distress relay is transmitted from coast station , it will（）.
A. indicate the ship in distress that the alert has been received
B. alert ships in the area of a distress incident that a distress has occurred
C. inform other coast station of distress incident
D. repeat the distress alert in 5 minute
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