I retreated an one step and drew back distance with her.

我后退了一步，跟她拉开距离。

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Occasionally float zero wear the one leaf, the one be tired of of the leaf and tree drew back distance.

偶尔飘零着一片叶子，一片厌倦的叶子与树拉开了距离。

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Numerical simulation was used to study the influence of profile shape, vehicle speed, wheel back distance and rail cant on the wear depth and wear distribution of wheel profile.

采用数值仿真方法研究了不同车轮踏面外形、轮对内侧距、轨底坡和车速对踏面磨耗深度和磨耗分布的影响。

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Specifically designed to take advantage of the camera's mirrorless design, the X-Mount has a short flange back distance of just 17.7mm made possible by designing the mount ring as thin as 2.5mm.

ENGADGET: Fujifilm grows X-series mirrorless lineup with 16.3-megapixel X-E1

This means the rear lens elements are as close as possible to the sensor, reducing the back focus distance of each lens to the minimum possible, thus achieving high resolution from edge to edge.

ENGADGET: Fujifilm grows X-series mirrorless lineup with 16.3-megapixel X-E1

We're even told that we should sit a prescribed distance back, usually the dead center of the auditorium.

WSJ: A Front-Row Seat at the Movies