Backing means the wind ___ .
A: is changing clockwise in direction
B: is changing anticlockwise in direction
C: is changing cyclonically or variably in direction
D: emains unchanged in direction at the time
A: is changing clockwise in direction
B: is changing anticlockwise in direction
C: is changing cyclonically or variably in direction
D: emains unchanged in direction at the time
举一反三
- As long as marginal cost is below average cost, average cost will be A: falling. B: rising. C: constant. D: changing in a direction that cannot be determined without more information.
- An instrument that indicates wind direction is known as a(n)（）.
- 65. The velocity of the wind，its steady direction，and the amount of time it has blown determines a wind driven current's
- Mr. Black drove off _______ of Larry's Shop. A: in all directions B: under the direction C: in a direction D: in the direction
- The positive sequence voltages of phase A, B, C are distributed in ( ) A: the same direction B: counter clockwise C: clockwise D: indeterminacy