When navigating in high latitudes and using a chart based on a Lambert conformal projection,______.
A.a straight line drawn on the chart approximates a great circle
B.the chart should not be used outside of the standard parallels
C.the course angle is measured at the mid-longitude of the track line
D.distance cannot be measured directly from the chart
第1题:
When using a Lambert conformal chart in high latitudes,angles such as bearings are measured in reference to ______.
A.the meridian through the object of the bearing
B.the meridian through the ship's position
C.the meridian midway between the ship and the object
D.any meridian
第2题:
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?
A.Plotting radio bearings over a long distance
B.Determining latitude and longitude of a fix
C.Measuring rhumb line distances
D.Measuring rhumb line directions
第3题:
When navigating using DGPS(Differential Global Positioning System)you may expect your position to be accurate to within a radius of ______.
A.10 meters
B.20 meters
C.50 meters
D.100 meters
第4题:
The low may suddenly deepen,and the cyclone intensify and pick up speed
The left semicircle may become the dangerous semicircle
The low and the high may merge and cancel out the weather characteristics of each
The high may force the cyclone to reverse its track
第5题:
convert to
come to
look at
agree with
第6题:
high temperature and a high viscosity
high temperature and a low viscosity
low temperature and a high viscosity
low temperature and a low viscosity
第7题:
Select the block that contains the data to appear in the pie chart.
Select the table that contains the data to appear in the pie chart.
Select the view that contains the data to appear in the pie chart.
Nothing. The wizard will automatically create the pie chart based on the highlighted data.
第8题:
the meridian through the object of the bearing
the meridian through the ship's position
the meridian midway between the ship and the object
any meridian
第9题:
Invoke the Chart Wizard and create a chart based on the ORDER block.
Create a chart using Graphics Builder and then select File Import Chart in Form Builder, positioning the new chart with the text items in the ORDER block.
Invoke the Data Block Wizard in reentrant mode, select the Charts tab, and specify the chart type and column sources for the X and Y axes.
Select the Chart node in the Object Navigator, Click the Create icon, and specify the details of the chart in the chart's Property Palette.
第10题:
mean low water
mean lower low water
mean high water
mean high water springs
第11题:
with
in
by
to
第12题:
the best fix is obtained by using a tangent bearing and a range
and using two radar ranges for a fix,the objects of the ranges should be close to reciprocal bearings
and using ranges,the most rapidly changing range should be measured last
and crossing a radar range of one object with the visual bearing of a second object,the two objects should be 80°to 110°apart
第13题:
To ______ Admiralty Charts 438,latitudes taken from this chart should be increased by about 5 seconds.
A.convert to
B.come to
C.look at
D.agree with
第14题:
In very high latitudes,the most practical chart projection is the ______.
A.Mercator
B.Gnomonic
C.Azimuthal
D.Lambert conformal
第15题:
A chart projection depicting the poles and a small area on either side of a connecting meridian, that is sometimes used for star charts, is the ______.
A.azimuthal gnomonic projection
B.Lambert conformal projection
C.transverse Mercator projection
D.polyconic projection
第16题:
is most accurate before sunrise
is most accurate after sunset
should only be observed when the Sun's lower limb is above the horizon
is most accurate when the Sun's center is observed on the visible horizon
第17题:
Azimuthal gnomonic projection
Lambert conformal projection
Transverse Mercator projection
Polyconic projection
第18题:
Plotting radio bearings over a long distance
Determining latitude and longitude of a fix
Measuring rhumb line distances
Measuring rhumb line directions
第19题:
Mercator
Gnomonic
Azimuthal
Lambert conformal
第20题:
a high pressure area
an extratropical cyclone
a tropical storm
an easterly wave
第21题:
snoop
tcpdump
monitor
tail
第22题:
the declination is the opposite name to the latitude
the algebraic sum of the colatitude and declination exceeds 90
the observer is in high latitudes above either polar circle
the body is circumpolar
第23题:
10 meters
20 meters
50 meters
100 meters