它的变化很快。
Land use spatial pattern changes fast in Chongming Dongtan for its special natural conditions and frequent human activities.
崇明岛东滩因其特殊的自然条件及频繁的人类活动影响，土地利用空间格局变化速度较快。
The result shows that, in series-wound mode, the distance between the two stages changes fast, the time of reaching safety distance is short, and the probability of side-collision is little.
仿真结果表明，串联方式相对距离变化快，达到安全距离耗时短，侧向碰撞几率小；
The result shows that, in series-wound mode, the distance between the two stages changes fast, the time of reaching safety distance is short, and the probability of side-collision is little.
仿真结果表明，串联方式相对距离变化快，达到安全距离耗时短，侧向碰撞几率小；
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