Three necessary conditions of ancient ocean navigation is: ______ navigation, use the rudder steering, the effective use of ______.
The three necessary conditions of the ancient ocean navigation are: using the compass navigation, using the tail rudder to grasp the direction, and effectively using the wind forceThe answer is: compass, wind
Three necessary conditions of ancient ocean navigation is: use the rudder steering, effective use of wind with compass navigation,.The answer is: compass, wind
Because the earth is a huge magnet, geomagnetic north pole in the geographic South Pole near the geomagnetic South Pole in the geographic north pole, it is the earth magnet to make the role of small needle points to the north and south direction.
