One reason is that mathematics builds on itself, so that one missed step can lead to a lifetime of failure.

其中一个原因是由于数学是不断建立在自身基础上，因此人一旦错失其中的一步都可能导致终身数学方面的失败。

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While it is one of several aspects of moving forward, Van Vliet notes that the step can often blend or lead into others.

虽然它是前进的几个方面，凡弗利特指出，这一步经常交融或带领其他人。

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Distal locking is one challenging step during intramedullary nailing of femoral shaft fractures that can lead to an increase of radiation exposure.

在股骨干骨折的患者打髓内钉时，远端锁定是非常有挑战性的一步，且该过程会增加射线的照射。

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"And a step like the one it took yesterday is not helpful, is not going to lead to a resolution of these outstanding issues.

VOA: standard.2009.04.15

That pipeline, when the last section is laid and its valves are opened, will lead America one step farther away from dependence on dangerous foreign powers that do not have our interests at heart.

NPR: Transcript: Gov. Sarah Palin At The RNC

"Go about your daily life as usual for the most part, and take the lead from the therapist, one small step at a time, " she said.

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The US carriers want to be one step ahead of the curve that could lead to declining mobile voice revenues in markets where consumers still have the option to pick a voice minute bucket.

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