然而，目前人们还不清楚，中枢疲劳是否会影响与运动本身没有直接关系的运动系统，比如控制眼动的系统。
It was not known, however, whether central fatigue might also affect motor systems not directly involved in the exercise itself, such as those that move the eyes.
通过计算证明引起断裂的根本原因是动应力超过了梁的许用疲劳极限，另一原因是梁的结构不合理。
The primary cause of breakage is that the dynamic stress exceeded the allowable fatigue limit of the beam, and another cause is that the structure of the beam is unreasonable.
证明了用静应力场分析动载下接触疲劳裂纹形成与扩展的可靠性；
Static stress field can be reliably applied to analyse initiation and extension of contact fatigue cracks under motive load.
作为直升机的关键动部件，桨叶的抗疲劳设计技术是提高桨叶安全寿命，降低桨叶使用成本的关键。
As a critical part of helicopter, rotor blade anti-fatigue design technique is one of the key to improving safety life and decreasing cost.
分析了滑动摩擦副疲劳损伤的产生机理，指出疲劳损伤产生的根本原因是动应力状态。
The originating mechanism of fatigue damage of sliding friction couples is analyzed and that the ultimate causation of fatigue damage is dynamical stress state is pointed out.
奉文重点讨论了渤海锥体与圆柱抗冰结构动冰力模型的进展，为定量计算结构疲劳寿命创造了条件。
Then the dynamic ice force researches on both vertical and conical structures in Liaodong Bay are presented, which form the foundation of quantitatively calculating the structural fatigue life.
道路疲劳试验常见的计数方法，多采用人工计数或用机械传动控制点动开关的电子计数。
The ordinary method for roadway fatigue test is using manual counter or electronic counter controlled by mechanical switch.
本文分析了静载荷及循环载荷下的微塑性变形行为，认为振动时效动应力的选择应以材料的疲劳极限作为依据。
Analyzing the micro plastic deformation of metal material under static load and cyclic stress, the scientific basis for choice dynamical stress of VSR is provide.
论文以CRH_2动车组拖车轮对和轴箱为研究对象，进行疲劳强度计算分析，以期望为我国高速动车组标准的制定提供依据。
The thesis researched the wheelset and axle-box fatigue strength of CRH_2 trailer and expected that the results could be valuable for establishing the standards of high-speed EMU.
金属构件常常因受到动载荷作用引起疲劳损伤，而疲劳损伤累积的结果往往导致裂纹的产生。
The fatigue damage of the metal material often happens under the action of the dynamic load. The accumulation of fatigue damage of the metal material leads to the result of surface fatigue cracks.
已有研究表明：钢筋锈蚀对结构静载性能的影响不大，而对疲劳、冲击等动载性能影响较大。
Studies have shown that:reinforcement corrosion has more critical effect on the dynamic or fatigue performance than the effect on static performance of the structures.
同时结合实例，提出一种基于有限元-多体技术对动载作用下柔性结构的疲劳寿命预测方法进行研究。
With an actual example, research method based FEM-Multi body technology is developed for flexible structure applying dynamically loading.
为了提高动叶片的抗冷热疲劳和抗机械疲劳的性能，铸件表面需进行晶粒细化。
In order to improve the cold fatigue, hot fatigue and mechanical fatigue resisting performance of the moving blade, grain refinement is required for the casting surface.
本手电筒可解决握动频繁，可使人疲劳以及容易损坏的不 足，是真正意义上的环保手电筒。
The flashlight can solve the disadvantages of frequent holding and moving, and easy damage by tired people, which is the real environmental protection flashlight.
通过眼动指标综合分析运动疲劳不同时段阅读能力的变化。
Through comprehensive analysis of eye movement indicators, find the regularity on the different periods of recovery's influence on the reading ability changes after sports fatigue.
通过眼动指标综合分析运动疲劳不同时段阅读能力的变化。
Through comprehensive analysis of eye movement indicators, find the regularity on the different periods of recovery's influence on the reading ability changes after sports fatigue.
应用推荐