How do you take a running fix?

题库:船长 类型:最佳选择题 时间:2019-02-14 17:22:46 免费下载:《甲类船长英语考证》Word试卷

How do you take a running fix?
A.By measuring the angle between tofixed landmarks and finding the sine ofthe angles.
B.By taking bearings from a landmark attime intervals and finding the sine of theangles.
C.By taking bearings from a landmark attime intervals and measuring thedistance covered in the intervals.
D.By taking the relative bearings from 2sets of landmarks and plotting thedifference.

本题关键词:僵a,ECF-A,EP21-A,EP6-A,EP18-A,EP7-A,Lp(a),Lp（a）,A-aDO2,抗A;