在八十英尺的垂直高度上，至少有一百档梯阶。
There were not less than a hundred rounds in this perpendicular height of eighty feet.
与此相反，牛顿的理论只允许用大梯阶量联络远距离事件。
In Newton's theory on the contrary, only big steps connecting distant events are permissible.
梯上一次只能有一个人，两面有梯阶的活梯除外。(横档不能作为梯阶)。
Only one person shall be allowed on a ladder at a time except for stepladders that are equipped with steps on both sides. (Rungs are not considered steps.)
考虑到碱基对梯阶间的非紧邻相互作用，提出DNA宏观弯曲的经验预测规则。
Empirical rules, which take into account the non-neighbor interactions between the base-pair steps, have been presented to predict DNA curvature.
给出DNA宏观弯曲的定义，使用联系碱基对梯阶间的变换矩阵计算宏观弯曲。
A definition of DNA curvature has been made. The transformation matrix involving the angular parameters relating successive base-pair steps has been used to investigate the DNA curvature.
每天早晨，我的徒步旅行包括下三阶楼梯，然后提着我的竹制自行车进入到城市的街道，戴上头盔和护具。
Each morning, my trek includes a walk down three flights of stairs, where I grab my handmade bamboo bicycle and enter the city streets with my helmet fastened and secured.
她一步迈四阶楼梯，把自己锁在她的房间里了。
She took the stairs four at a time and locked herself up in her room.
如果一阶楼梯的高度缩短到两毫米，大部分人将走楼梯。
If the height of a single step is off by as little as two millimeters.
我探身向前朝院子里张望着，以为它落在一阶楼梯上。
I leaned over to look for it in the courtyard and thought I saw it just there on a step.
我探身向前朝院子里张望着，以为它落在一阶楼梯上。
I leaned over to look for it in the courtyard and thought I saw it just there on a step.
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