相关题目
53. For same point, the details shown on a chart varies with the () of the chart.
52. On a Mercator chart, 1 nautical mile is equal to ().
51. *In making commercial charts, Mercator projection charts are not applicable to ().
50. *On a Mercator chart the scale varies with (). This is noticeable on a chart covering a relatively large distance in a north-south direction.
49. Distance along a track line is measured on a Mercator chart by using the ().
48. Why does distance always have to be measured from the nearest scale on a Mercator chart?
47. The only cylindrical chart projection widely used for navigation is the ().
46. Admiralty standard nautical charts are ideal for the following usages except for ().
45. *Cargoes mainly handled by Nanjing port can be found in ().
44. *All marks within the IALA system are distinguished by (). ① material; ②topmark; ③ light characteristics; ④ color
