Downwind for 1 miles,alter to starboard 90 degrees,go down this course for 1 mile;Then alter 90 degrees to starboard and go down this course for 2 miles;Then alter 90 degrees to starboard and go down this course for 2 miles;Keep adding 1 mile ever time you alter to starboard.This operation is()search pattern
The ship()about 1/2 miles southward of the lighthouse.
Scarcely twenty miles divide Zanzibar from the African mainland, and on a clear day you can ______ see the island from the coast.
The ship()about 1/2 miles southward of the lighthouse.
LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of().
How many PPM of the oily water can be pumped out within 12 miles along the China coast line?().
患者,男,46岁,直肠癌Miles术后,对该患者出院前的饮食指导哪项是错误的
If a hurricane several hundred miles away is moving in your general direction your barometer would().
When visibility is 10 nautical miles, we say that visibility is().
Do not overtake.Vessel on()2 miles distance will pass on my port side.