重心随着机翼上的载荷而移动。
A: The focal point moves in relation to the loads on the wings.
B: Movement of the center of gravity is proportional to the loads on the wings.
C: The center of gravity moves in relation to the loads on the wings
A: The focal point moves in relation to the loads on the wings.
B: Movement of the center of gravity is proportional to the loads on the wings.
C: The center of gravity moves in relation to the loads on the wings
举一反三
- 重心随着机翼上的载荷而移动。 A: The center of gravity moves in relation to the loads on the wings. B: Movement of the center of gravity is proportional to the loads on the wings. C: Movement of the center of gravity is proportionally the loads on the wings.
- Honey bees have wings that are similar in shape and function to the wings of bats. The wings of honey bee wings do not have bones or share similar structures as bat wings. They do share any evolutionary history. This is an example of A: analogy. B: homology. C: monoplytic groups. D: sister taxa.
- 用托架将机翼上的载荷保持在最小值。 A: Use a trestle to keep the loads on the wing to a minimum. B: Use a trestle to minimize the loads on the wing.
- In operation, the connecting rod is subjected to both ( ) and ( ) .（ ） A: inertia loads B: centrifugal force C: gravity D: gas pressure
- 中国大学MOOC: He built a pair of wings of a size suitable to _______ his own weight, and made use of gravity as his motor.