In more recent years，（）has been used by civilians in many new ways to determine positions，such as in automobile and boat navigation，hiking，emergency rescue，and precision agriculture and mining.
- AGPS
- BGMDSS
- CAIS
- DNavtex
相关推荐
-
1、In more recent years, （） heat exchange
In more recent years, （） heat exchangers have frequently been employed for jacket water and oil cooling.Ashell and tube typeBplate typeCcoil typeDconical disc type
-
2、Sulfur has occasionally been found in
Sulfur has occasionally been found in the earth in an almost pure state.AregularlyBaccidentallyCsometimesDsuccessfully
-
3、After your vessel has been involved in
After your vessel has been involved in a casualty,you are required to make your logbooks,bell books,etc.,available to（）.Aattorneys for opposition partiesBmarine surveyorsCMSA officialsDAll of the above
-
4、Text 3 In recent years, railroads have
Text 3 In recent years, railroads have been combining with each other, mergingsintossuper systems, causing heightened concerns about monopoly. As...
-
5、It has been ten years since the Labour
It has been ten years since the Labour Party came into（）in that country.AcontrolBforceCpowerDcharge
-
6、There has been a collision in sea area
There has been a collision in sea area of Fork.（）.AStand by to give assistanceBStand by to alter courseCStand by to stop engineDStand by to go aster