| 单词 | backward motion |
| 释义 | backward motion This allows the equipment to achieve many spray-extraction cycles independent of the forward or backward motion of the machine. Retrieved from Wikipedia CC BY-SA 3.0 Flight occurs either as hovering, or as forward or backward motion. Retrieved from Wikipedia CC BY-SA 3.0 The pawl bears against the surface at an angle so that any backward motion will cause the pawl to jam against the surface and thus prevent any further backward motion. Retrieved from Wikipedia CC BY-SA 3.0 The animal relies on the forward and backward motions of its head and neck to maintain balance and the counter momentum while galloping. Retrieved from Wikipedia CC BY-SA 3.0 In addition to rotation, surge (forward and backward motions), sway (sideways motion) or heave (up and down motions) can be problematic with some technologies. Retrieved from Wikipedia CC BY-SA 3.0 |
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