A latitude line will be obtained by observing a body ().
时间:2022-09-24
A rapid rise or fall of the barometer indicates().
时间:2022-09-21
A sweep oar is an oar that is().
时间:2022-09-20
The light vessel is reported().
A liferaft which has inflated bottom-up on the water().
时间:2022-09-19
A position that is obtained by using two or more intersecting lines of position taken at nearly the same time,is a(n) ().
时间:2022-09-17
A red triangular daymark marks ().
时间:2022-09-15
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed,the watch officer should record the results().
时间:2022-09-14
A polyconic projection is based on a ().
时间:2022-09-08
()gives a description of the combined Cardinal and Lateral Buoyage system including textual and diagrammatic explanations of the five types of marks;lateral;cardinal,isolated danger;safe water and special marks.
A navigator fixing a vessel’s position by radar ().
时间:2022-09-07
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in().
时间:2022-09-06
()is a comprehensive reference in graphical and textual form of all Admiralty Charts and Publications worldwide(link to Admiralty Charts)listed by region.
时间:2022-09-05
The Mariner’s Handbook ()general information affecting navigation and is complementary to the Sailing Directions.
A list man would expect to see any of the following light signals except ().
时间:2022-09-04