【判断题】GPS, the Global Positioning System, is a space-based navigation system that provides location and time information in all weather conditions.
【单选题】利用中国知网进行单一检索词检索,选择主题检索与关键词检索,输出的结果数量一定是()
【单选题】The technology supplied by Motorola is based on ______.
C.
Global Positioning System
【判断题】利用中国生物医学文献数据库能够进行主题检索。
【单选题】Which type of positioning is based on the attributes of products or services and their corresponding benefits?
【判断题】利用SciFinder进行主题检索(Research Topic)时,不能使用介词in, with, of 等连接关键词。
【判断题】GPS, the Global Positioning System, is a time-based navigation system that provides location and time information in all weather conditions.
【多选题】利用中国生物医学文献数据库进行课题检索时,要进行( )结合检索
【判断题】Compensation should be based on the positioning of the firm, the severity of the failure, and who the specific affected customer is.
【单选题】下列各项中不属于企业无形资产的是( )。