| 61. | From the view point of radial-ply tyre high speed and environmental protection, the production of rayon, polyamide, ployester, steel wire and aramid fiber for tyre cord and their application, performances, advantages and development were described. |
| 从子午线轮胎高速化和环保化的发展角度，分别阐述了人造丝、锦纶、涤纶、钢丝及芳纶帘子线的生产、应用、常规性能、优缺点以及发展前景。 |
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| 62. | Results In the 80 patients, 25 cases suffered from cervical vertebra injury, 26 thoracic vertebrae and 29 waist vertebrate, which included vertebral fracture, vertebral dearticulation, protrusion, ligaments injury and spinal cord injury. |
| 结果 :80例中颈椎 2 5例 ,胸椎 2 6例 ,腰椎 2 9例 ,其中包括椎骨骨折 ,椎体脱位 ,椎间盘突出 ,韧带损伤 ,脊髓损伤。 |
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| 63. | From these curves, the stiffness of the transverse direction increases with increase in the fabric cord and the pressure. |
| 由模拟刚度特性曲线可知，空气弹簧的横向刚度随着帘线角和压力的增大而增大，呈非线性特征，且随着帘线角的增大，横向刚度趋于线性。 |
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| 64. | These scenarios will soon move from the realm of science fiction to science, as advances in biotechnology expand the potential of umbilical cord blood to cure diseases that once were fatal. |
| 生物科技的进步，提升了脐带血治疗致命疾病的潜力；不久之后，上述情节就会从科幻小说走进真正的科学。 |
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