A keel also provides weight low under the water to lower the boat's center of gravity below the waterline, which is needed so that the boat bobs back upright if knocked over by wind or waves.

龙骨同时也增加了船只的底部重量，从而将船只重心降到吃水线之下，而这对于船只在被风浪打翻时能够得以及时回正是十分必要的。

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Your center of gravity has shifted and all that extra weight around your middle may be pulling your back out of whack and messing with your balance.

你的重心已经发生偏移了，所有环绕在你腰腹部的增加的重量可能会使背部不一致并干扰你的平衡力。

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Order to achieve the ideal weight status, thereby creating the highest MOI and lowest in the deep center of gravity.

为了达到理想体重的地位，从而创造最高的教学语言，在重力的深中心的最低水平。

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"By having more weight, the center of gravity goes up, " making the boat less stable, said Lt.

WSJ: Boat Operators Struggle With Heavier Load

For, even if as has been promised no Soviet personnel are present at the Australian launch site itself, successful integration of payloads and boosters requires an intimate understanding of the characteristics of the device to be orbited (for example, in addition to its weight and dimensions, its power requirements, center of gravity, stress tolerances, etc.).

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Handling is impressive for a vehicle that weighs in a bit over 4600lbs -- thanks in great part to the low center of gravity, near 50-50 weight distribution and active air suspension.

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