問題文
The measured readings will be taken in the store, where the ceiling is high, the aisles are narrow, and there is no socket within reach of most positions. What does the designer have to bring in addition to the instruments?
選択肢
- Holding the radio at the planned height needs the slender tripod, and working all day out of reach of the sockets needs the battery supply the equipment documentation has to include.
- Holding the radio at the planned height needs the tall tripod, and working all day out of reach of the sockets needs the battery supply the equipment documentation has to include.
- Holding the radio at the planned height needs the tall tripod, and working all day out of reach of the sockets needs the mains supply the equipment documentation has to include.
- Holding the radio at the planned height needs the slender tripod, and working all day out of reach of the sockets needs the mains supply the equipment documentation has to include.