相同速度下，患侧和健侧股四头肌和腘绳肌离心收缩肌力明显大于向心收缩；
The eccentric contraction of both sides′ quadriceps and hamstring produced significantly higher torques than concentric contraction did in same speed.
DX型钢绳芯带式输送机属于高强度带式输送机，适用于高速度、大运量和长距离的散状物料运输。
DX - type steel-cord belt conveyor is a high intensity belt conveyor, which is used for high-speed, large capacity and long-distance transport of bulk materials.
末端质量大于0.02公斤（0.04磅）的玩具上的绳在以80转每分钟的速度旋转时长度应小于50厘米（20英寸）。
Toys with an end mass greater than 0.02 kg (0.04 lb) shall have cord length less than 50 cm (20 in. ) measured when rotating at 80 r/min.
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