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A line of position derived from a loran reading is a section of a(n) ______.
A.straight line
B.arc
C.parabola
D.hyperbola
参考答案
更多 “ A line of position derived from a loran reading is a section of a(n) ______.A.straight lineB.arcC.parabolaD.hyperbola ” 相关考题
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A () road goes () from our college to the center.
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有如下程序：#includeusing namespace std;class Base{public:void funl(){cout"Base\n";}virtual void fun2(){cout"Base\n";}};class Derived:public Base{public:void funl(){cout"Derived\n";}void fun2(){cout"Derived\n";}};void f(Base B ． {b.funl();b.fun2();}, lt;, /Pint main(){Derived obj;f(obj);return 0;}执行这个程序的输出结果是A ． Base BaseB ． Base DerivedC ． Derived BaseD ． Derived Derived
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The correction to be applied to a LoranC reading when matching a sky wave to a ground wave may be found______．A.on loran charts covering areas where sky waves are usedB.in the Radio Aids to Navigation PUB 117C.in the LoranC Correction TablesD.Sky waves cannot be matched to ground waves in LoranC to produce a usable reading
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有如下程序： #includeiostream using namespace std； class Base { public： void funl{cout”Base＼n”；} virtual void fun2{eout”Base＼n”；} }； class Derived：public Base{ public： void funl{eout”Derived、n”；} void fura{eout．”Derived＼n”；} }； void f(BaseB．}b．funl；b．ftm2；} int main { Derived obj； f(obj)； return 0； } 执行这个程序的输出结果是（ ）。A.Base BaseB.Base DerivedC.Derived BaseD.Derived Derived
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A line of position derived by radar range from an identified point on a coast will be a(n) ______.A.straight lineB.arcC.parabolaD.line parallel to the coast
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A line of position from a celestial observation is a segment of a ______.A.circle of equal altitudeB.parallel of declinationC.parallel of altitudeD.vertical circle
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A radar range to a small，charted object such as a light will provide a line of position in which form?A.Straight lineB.ArcC.ParabolaD.Hyperbola
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A single line of position combined with a dead-reckoning position results in a(n) ______.A.estimated positionB.assumed positionC.fixD.running fix
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You are running parallel to the coast and take a running fix using bearings of the same object．If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be ______．A.Closer to the coastB.Farther from the coastC.On the track line ahead of the fixD.On the track line behind the fix
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You are in the process of adding a barge to your tow．A line run from your power capstan and around timber heads on your tow is made fast on the new barge so that it can be pulled into position．This line is called a ______．A.Scissors wireB.Capstan lineC.Spring lineD.Fore and aft line
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The line connecting the Loran-C master station with a secondary station is called the ______．A.Focus lineB.Base lineC.Side lineD.Center line
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单选题Vessels approaching from west will（）pilot in approximate position 015108N/1033008E.A
obtainB
selectC
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单选题At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N，LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water，which of the following is TRUE?（）A
The bottom samples and fathometer reading prove the loran fix is reliableB
The bottom samples and fathometer readings indicate that the loran fix is unreliableC
The information collected indicates that the fathometer may be in errorD
The information collected indicates that the chart is most likely in error
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单选题A line of position from a celestial observation is a segment of a （）.A
circle of equal altitudeB
parallel of declinationC
parallel of altitudeD
vertical circle
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单选题A line of position derived by radar range from an identified point on a coast will be a(n) （）.A
straight lineB
arcC
parabolaD
line parallel to the coast
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单选题Which signal is detected as originating from a SART?（）A
The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call signB
A line of blip code on a radar screen outward from the SART's position along its line of bearingC
A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearingD
None of these
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单选题A star is observed at lower transit. The line of position derived from this sight is（）.A
on the prime verticalB
a latitude lineC
a longitude lineD
of no special significance
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单选题A line of position formed by sighting two charted objects in line is called a(n)（）.A
relative bearingB
range lineC
track lineD
estimated position
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单选题A line of position derived from a loran reading is a section of a(n) （）.A
straight lineB
arcC
parabolaD
hyperbola
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单选题A line of position is（）.A
a line connecting two charted objectsB
a line on some point of which the vessel may be presumed to be locatedC
the position of your vesselD
not used in a running fix
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单选题You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be（）.A
Closer to the coastB
Farther from the coastC
On the track line ahead of the fixD
On the track line behind the fix
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单选题A single line of position combined with a dead-reckoning position results in a(n)（）.A
running fixB
fixC
estimated positionD
assumed position
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单选题A single line of position combined with a dead-reckoning position results in a(n)（）.A
estimated positionB
assumed positionC
fixD
running fix
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单选题When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by（）A
adjusting the position of the intermediate bearingB
changing the position of the main engine installationC
adjusting the center line of the propellerD
changing the position of the thrust block
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单选题While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.A
A decreasing reading on loran pair 9960-XB
The bearing of Wolf Trap Light changing to the rightC
Increasing soundingsD
The bearing of Wolf Trap Light changing to the left
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单选题The line connecting the Loran-C master station with a secondary station is called the（）.A
Focus lineB
Base lineC
Side lineD
Center line
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单选题The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.A
on loran charts covering areas where sky waves are usedB
in the Radio Aids to Navigation，PUB 117C
in the Loran-C Correction TablesD
Sky waves cannot be matched to ground waves in LORAN-C to produce a usable reading
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