You will be prompted to enter the sensor name, sensor group, description for the new sensor, start time, stop time and frequency, similar to that of a new task.
与创建新任务相似，向导会提示您输入传感器名称、传感器组、描述、启动时间、停止时间和频率。
2
The precision for the frequency and quantile statistics can be modified for an individual column or a group of columns.
可以为单个列或一组列修改频率和分位数统计信息的精确度。
3
In the wild, elephants often need to communicate over long distances, using low frequency calls to keep tabs on other members of their group.