• 垂直载荷增加、抓地板高度的加大,地滑移率的均值、方差减少

    With the increase of vertical load and height of ground wheel, ground wheel slide can be reduced.

    youdao

  • 在上面张照片中,大气折射而显得有些变形的超级满月平线好像正在美国波士顿市上空冉冉升起

    Seen here, the near perigee Full Moon still hugs the horizon, distorted by atmospheric refraction as it rises over Boston, Massachusetts, USA.

    youdao

  • 原因也许误解一些操作细节问题,比如:着地

    Now I think about it and realized in some little details I misunderstand the procedure. Specially the left main gear touch the ground first.

    youdao

  • 也第一次上了摩天,俯游乐设施感觉孩子们的生活,那时知道自己不是那个年龄的人了。

    Looking at the children's play facilities down from the wheel, I knew I was far from that young age.

    youdao

  • 着地滑跑阶段

    The phase with three wheels on the ground.

    youdao

  • 直升飞机通常降落的时候着地但是可以着地

    A helicopter usually lands on four wheels, but it can land on two.

    youdao

  • 实用新型设计合理两侧可始终保持同时着地

    The utility model has the advantages of reasonable design and two side-wheels can be kept to land on grounds simultaneously.

    youdao

  • 实用新型设计合理两侧可始终保持同时着地

    The utility model has the advantages of reasonable design and two side-wheels can be kept to land on grounds simultaneously.

    youdao

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