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。
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。
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。
Lift yourself off the floor by carefully shifting your center of gravity. Press your hands into the floor and slowly begin to rock your weight back, off your feet and onto your hands.
双手扎实地按向地面，慢慢将重量向后放，重心落在双手上，抬起双脚。
The static measurement includes weight, center of gravity, static lead lag, bending stiffness and torsion stiffness.
静态测量包括重量，重心，静前沿滞后，弯曲钢度，和扭区钢度。
Compact slant-block engine design USES stacked gearbox shafts to create a low center of gravity and balanced weight distribution.
紧凑型斜块引擎的设计采用了堆叠变速箱轴建立一个平衡的重量分布重力和低压中心。
The limit of gravity center position is to assure the uniformity of spring adjustment of shaft weight.
机车重心位置的限制，也是保证机车轮轴重调簧均匀的前提。
A new method of calculating the weight and center of gravity of boom of excavator is put forward, which has accurate and reliable result.
提出了挖掘机动臂重量及重心位置的新的计算方法，结果精确可靠，该方法也适合于计算其它复杂的空间封闭箱型结构的有关机械力学特征。
It is a vitally important task to achieve control of the weight and center of gravity of lightship during building a new ship.
灯塔船在其建造的过程之中，其重量与重心的控制是一门非常重要的学问。
Statement of the total weight calculation of center of gravity, stability calculation, structure calculation, freeboard and reserve buoyancy calculation, the calculation of unsinkable books and so on.
总说明书、重量重心计算书、稳性计算书、结构计算书、干舷和储备浮力计算书、不沉性计算书等内容。
Wing shapes with minimum weight corresponding to variant center-of-gravity positions were obtained.
在已知的不同质心位置下求得相应的最小重量机翼外形。
Dynamic flight and physics model that reacts to weight, center of gravity position, and moments of inertia in real time with no scripting.
动态的飞行和物理模型，实时地与重量、重心位置和惯性力距等发生作用，没有脚本化。
The cartridge is adapted to dispose its center of gravity in a manner that maintains the cartridge within the wall entrance under its own empty weight.
筒适于以使筒在其自身空重量下保持在墙壁入口内的方式来设置其重心。
Due to weight and center of gravity concerns, the 0.125x telecentric lens requires a mounting clamp and 0.08x telecentric lens includes mounting clamp (removable).
考虑到远心镜头重量和质心因素，0.125X远心镜头需要支撑架，而0.08 X的远心镜头已经包括了支撑架(可移除)。
During the installation of large structures on the sea, the weight and gravity-center values of the structures should be very accurate, considering the lifting capability of the operating apparatus.
大型结构物在海上安装过程中，受到作业机具吊装能力等因素的影响，需要准确的结构物重量和重心数值。
The extra weight in the front of your body shifts your center of gravity and places stress on joints and muscles especially those in the pelvis and lower back.
这些额外的重量于身体的前侧，从而使亩裟重心偏移，将更多的压力放在关节和肌肉上。
The success of a recumbent tricycle design is a careful mixture of Weight Distribution, Low Center-of-Gravity, Wheelbase, Wheel-Track, Steering geometry and frame configuration.
成功的设计是一个横卧三轮车分布，仔细混合重量低中心，对重力，轴距，轮轨，转向几何和帧配置。
Upon painting completion, series number should be marked on steel members, and for heavy members, weight, center of gravity and position should be marked as well.
涂装完毕后，在构件上标注构件的原编号，大型构件应标明重量，重心位置和定位标记。
Upon painting completion, series number should be marked on steel members, and for heavy members, weight, center of gravity and position should be marked as well.
涂装完毕后，在构件上标注构件的原编号，大型构件应标明重量，重心位置和定位标记。
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