None of us had ever experienced that amount of southerly drift on our previous expeditions, and it continued for such a long period of time.
Daniels说：“在以往的考察中，我们都没曾经历过持续这么长时间的南向漂流。”
If there is no courage to stay away from the coastline, lonely to drift in the sea for a long time, so you can not find the new world.
如果没有勇气远离海岸线，长时间在海上孤寂地漂流，那么你绝不可发现新大陆。
There is a practical limit to reducing bandwidth since very long - term measurements become susceptible to other errors, such as time and temperature drift.
减小带宽时有一个实际的限制，如果测量时间太长，测量就容易受到时间和温度漂移等其它误差的影响。
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