Healthy facet joints support the spine while also allowing a wide range of twisting and bending motion.
健康的关节突关节在支撑脊柱的同时，允许作较大范围的扭转和弯曲。
The modelers came up with tricks designed to increase flexibility, like the use of nested metal cups for characters' necks and spines to allow a wider range of motion without "bending" the metal.
塑型员们带来了一些绝妙的设计，以增加他们的灵活性，比如运用金属嵌杯充当人物的颈部，并让它稍微有一些隆起，这样，不需要“弯曲”金属，就可以让它有一个更大的运动的空间。
The facet joints support the spine while also allowing motion in terms of bending, flexing and twisting.
关节突关节在支撑脊柱的同时，允许脊柱屈伸旋转运动。
A motion law of the disintegrative units is obtained by analyzing the internal force and bending moment of the architectural units.
通过分析建筑物构件的内力和弯矩，得到了建筑物解体时构件的运动规律。
Results The range of motion (ROM) of process wire was less than that of the intact in flexion, extension, lateral bending, but not in axial rotation.
结果棘突钢丝在屈伸和侧弯时的运动范围可恢复完整颈椎水平，但旋转时的运动范围比完整颈椎大。
Then the motion responses in a random seaway are predicted in time and frequency domain, and the bending moment of boat's girder is further deduced.
而后，分别采用时域方法和谱分析方法，预报快艇在不规则波中的运动响应，进而确定总纵弯矩。
The influence of bending flexibility of the launch system on rocket's motion attitude and system's dynamic characteristics are discussed. Some important conclusions are drawn.
分析和评价了结构柔性等因素对火箭发射姿态和系统动力特性的影响，获得了一些重要的结论。
Then, kick your legs up and down together in a whipping motion generating from the hips and bending at the knees, as if you were a dolphin.
通过髋关节和膝关节用力运动，上下踢你的腿，就像海豚一样。
The results show that the coupled bending-torsional vibration range increases and the motion changes from periodic motion to quasi-periodic motion as the mass eccentricity rises;
结果表明：随着质量偏心的增加，弯扭耦合区的范围增大，系统运动由周期运动变为概周期运动；
The results show that the coupled bending-torsional vibration range increases and the motion changes from periodic motion to quasi-periodic motion as the mass eccentricity rises;
结果表明：随着质量偏心的增加，弯扭耦合区的范围增大，系统运动由周期运动变为概周期运动；
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