As a final backup force, parents of deaf children are playing an important role in community rehabilitation.
聋儿家长是开展社区康复的决定力量。
Systems being designed by the us Air Force simultaneously perform identical "backup" calculations in five parts of the satellite.
美国空军正在设计的系统，则能在卫星的5个部分，同时执行一模一样的“备份”运算。
If the main device fails, the backup can take over, duplicating all the encryption parameters, that were in force.
如果主设备失灵，备用设备可切换过来，将所有有效的加密参数复制下来。
Four-row roller bearings on the working rolls mainly bear roll-bending force and axial force, while the oil film on the backup roll mainly bear rolling force and most of the bending moment.
工作辊上的四列滚子轴承主要承受弯辊力和轴向力，而支撑辊上的油膜轴承主要承受轧制力和绝大部分弯曲力矩。
By the influence function method the influence of plate width, work roll radius, backup roll radius, work roll crown, backup roll radius and rolling force on gap setting were calculated.
根据影响函数法计算轧辊凸度对辊缝设定的影响，当保持工作辊和支承辊凸度不变，则轧制力与辊系弹性变形呈线性关系，工作辊和支承辊凸度的变化对直线的斜率几乎没有影响。
By the influence function method the influence of plate width, work roll radius, backup roll radius, work roll crown, backup roll radius and rolling force on gap setting were calculated.
根据影响函数法计算轧辊凸度对辊缝设定的影响，当保持工作辊和支承辊凸度不变，则轧制力与辊系弹性变形呈线性关系，工作辊和支承辊凸度的变化对直线的斜率几乎没有影响。
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