上述过程中，在关键点附近的钻进过程中，从井下传输到地面的数据可能会出现误差，尤其是在到达垂向总深时。

In the process, the data sent back to the surface can lead to errors in critical measures, particularly in the total vertical depth.

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虽不是致命的疾病，却总也好不彻底，可见其伤心伤身之深。

Though it was not deadly disease, it was hard for him to recover.

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谁都不能保证一定会到达顶峰，但是你总可以停下脚步，深吸一口气，给自己一个微笑，然后去欣赏沿途的风景。

There’s never any guarantee that you’ll get to the top, but you always have the ability to stop, take in a deep breath, smile and enjoy the view-whether it’s miles of wilderness or two feet of fog.

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