Gyroscope consists of gyro, inner ring, outer ring and______ .
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The law of apparent motion of gyrocompass is North Latitude______ , South Latitude ______ , East______ West______ , ______ for whole Earth.
The concept of free gyroscope is .
A. if center of gravity of three-freedom gyroscope and geometric center overlap
B. gyroscope with the main axis will point to any direction
C. balanced gyroscope without any external moment exerted on
D. three-freedom gyroscope with a rigid rotating speed
What is the gyroscopic inertia ? ______
A. the main axis points to the constant initial direction with respect to space
B. The vector end of moment of momentum of main axis seeks the external moment with the short pass
C. The main axis points to the constant initial direction with respect to the earth
D. The main axis points to the constant direction with respect to the base support of the gyroscope.
U2 is the liner speed of main axis of Gyrocompass that is generated by controlling moment, what is the correct one of the following statements? ______
A. The N end of main axis above the horizontal plane,U2 refers to west
B. The N end of main axis above the horizontal plane,U2 refers to east
C. The N end of main axis refers to the east of horizontal plane,U2 refers to east
D. The N end of main axis refers to the west of horizontal plane,U2 refers to west
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