游丝问题：游丝故障也是导致机械表在正常走时的时候出现偷停情况的原因之一。
Also add to the balance spring problem: balance spring failure mechanical watch when normal walking to steal one of reasons for stopping.
同时，不要随便打开手表后盖，以免灰尘、纤维、水汽等侵入表机，影响手表的正常走时。
At the same time, do not open the back cover, so as to avoid dust, fiber, water vapor and other invasive table machine, affecting the normal travel time.
令瑞奇兰惊讶的是，先前对于拉多里脚印深度的计算甚至与人们以正常方式行走时留下的脚跟和脚趾深度密切匹配。
To Raichlen's surprise, previous calculations of Laetoli footprint depths closely matched the even heel and toe depths left by people walking in their usual fashion.
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