Aliyah literally means “ascent”, while leaving Israel is yeridah, “descent”.

“阿利亚”的字面意思是“上升”，而离开以色列则是“耶利达（yeridah）”，意为“下降”。

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It was built originally because vehicles could not cope with the 27% gradient so it was suggested that switchbacks of hair pin bends were built thereby making the ascent or descent more manageable.

它始建初衷是由于车辆无法适应27%的坡度，因此有人建议，将其建成发夹般弯曲的盘山路以使上坡或下坡更容易些。

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Measuring text requires that you consider things such as ascent, descent, leading, gutter clearance, and so on.

度量文本要求您考虑升序、降序和行距等。

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What this means is that iFACTS uses data from both aircraft and Nats itself to calculate flight paths, ascent and descent details.

BBC: Why air traffic control still needs the human touch