Next, the change of speed and the change of step in hurdles circuit effect on it too. The rhythm correlates with the sport grades closely.
其次，每一跨栏周期中速度的变化及每一跨栏周期中步长的分配也对栏间节奏产生重要影响，栏间节奏与运动成绩密切相关。
The emphasis is placed on the potential hurdles for foods, the hurdle effect, and the hurdle technology.
详细地介绍了潜在的食品栅栏因子，栅栏效应以及栅栏技术；
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