问题标题：
英语翻译Oncewereatsea,ourroutineeverydaywasthesame.Atsunriseandsunsetthecaptainmeasuredourpositionusingthequadrantandsetthecourseusingthecompass.Itwasextremelydifficultforustogetacorrectreadingfromthequadra
问题描述：
英语翻译
Oncewereatsea,ourroutineeverydaywasthesame.Atsunriseandsunsetthecaptainmeasuredourpositionusingthequadrantandsetthecourseusingthecompass.Itwasextremelydifficultforustogetacorrectreadingfromthequadrantastheboatmovedconstantly.Thecaptainusedasystemcalled“deadreckoning”.Heknewtherewaslanddirectlynorthwestofouroriginalposition.Sohistaskwastomakesurewestayedonthatcourse.Asyoucanseefromthemapwekepttoastraightcourseprettywell.Inaddition,thecaptainkeptusallbusyreadingthetablestoworkoutourposition.Althoughthistookagreatdealoftime,itdidn’tmatter.Timewas,afterall,whatwehadalotof!
刘遂水回答：
曾经,在海上的时候,我们每日的日常工作都是一层不变的.每当日出和日落时,船长就会用象限仪来测量我们的方位,用指南针来设定航向.由于船在不断地移动,从象限仪上读出准确的信息对我们来说极其困难.船长使用了一个被称...
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