Why are jade and jade finders mentioned in the passage A: Because jade finders used the compass to detect lodestone. B: Because jade was hard enough to make the compass. C: Because jade finders were possibly the inventors of the compass. D: Because jade and lodestone were found in the same mountains.
Why are jade and jade finders mentioned in the passage A: Because jade finders used the compass to detect lodestone. B: Because jade was hard enough to make the compass. C: Because jade finders were possibly the inventors of the compass. D: Because jade and lodestone were found in the same mountains.
_______ 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
_______ 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
_______ the repeater compass with the master compass, please.
_______ the repeater compass with the master compass, please.
Albert Einstein was greatly _____________ by the invisible force of the compass.
Albert Einstein was greatly _____________ by the invisible force of 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.
罗盘不规则工作。 A: The operation of the compass is irregular. B: Compass is erratic. C: Compass works with irregularity.
调节罗盘系统1直到和罗盘系统 2 一致。 A: Adjust compass system 1 until it agrees with compass system 2. B: Rig compass system 1 until it agrees with compass system 2. C: Synchronize compass system 1 with compass system 2.
调节罗盘系统1直到和罗盘系统 2 一致。 A: Adjust compass system 1 until it agrees with compass system 2. B: Rig compass system 1 until it agrees with compass system 2. C: Synchronize compass system 1 with compass system 2.
确保磁罗盘系统 1 和磁罗盘系统 2 是同步的。 A: Make sure that compass system 1 and compass system 2 are synchronized. B: Make sure that compass system 1 and compass system 2 are coincident. C: Coordinate compass system 1 and compass system 2.
确保磁罗盘系统 1 和磁罗盘系统 2 是同步的。 A: Make sure that compass system 1 and compass system 2 are synchronized. B: Make sure that compass system 1 and compass system 2 are coincident. C: Coordinate compass system 1 and compass system 2.
The Four Great Inventions of ancient China are papermaking, printing, gunpowder and compass.
The Four Great Inventions of ancient China are papermaking, printing, gunpowder and compass.
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
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
If magnetic compass is not affected by any magnetic field other than the Earth’s, which statement is TRUE ___. A: Compass error and variation are equal B: Compass north will be true north C: Variation will equal deviation D: There will be no compass erro
If magnetic compass is not affected by any magnetic field other than the Earth’s, which statement is TRUE ___. A: Compass error and variation are equal B: Compass north will be true north C: Variation will equal deviation D: There will be no compass erro