According to ancient records, natural magnets were employed in China as direction-finding devices. This led to the first compass, called ( ) during the Warring States Period.
A: wet compass
B: Si Nan
C: dry compass
D: navy compass
A: wet compass
B: Si Nan
C: dry compass
D: navy compass
举一反三
- According to ancient records, natural magnets were employed in China as direction-finding devices. This led to the first compass, called ( ) during the Warring States Period.
- what was the compass first used in ancient china?
- _______ magnetism first found a practical use. A: That was in the compass B: It was in the compass that C: It was the compass that D: That was the compass
- 罗盘不规则工作。 A: The operation of the compass is irregular. B: Compass is erratic. C: Compass works with irregularity.
- _______ the repeater compass with the master compass, please.