A、existing visibility conditions，limited only by the curvature of the Earth
B、perfect visibility conditions，limited only by the curvature of the Earth
C、existing visibility conditions，limited only by the intensity of the light
D、perfect visibility conditions，limited only by interference from background lighting
更多“Geographic range is the maximum distance at which a light may be seen under（）.”相关的问题
A、A vessel on the starboard bow whose bearing is changing and range is decreasing B、A vessel on the starboard bow whose bearing is steady and range is increasing C、A vessel on the port bow whose bearing is steady and range is decreasing D、A vessel on the port bow whose bearing is changing to the left and range decreasing
A、increases with latitude，being maximum at the geographic poles B、decreases with latitude，being maximum at the geographic equator C、is greatest when a vessel is near the Earth's magnetic equator D、remains the same at all latitudes
A、All defined VLANs are allowed on the trunk by default. B、Each VLAN, or VLAN range, that is specified with the switchport mode command. C、Each VLAN, or VLAN range, that is specified with the vtp domain command. D、Each VLAN, or VLAN range, that is specified with the vlan database command.
A、A. All defined VLANs are allowed on the trunk by default. B、B. Each VLAN, or VLAN range, that is specified with the switchport mode command. C、C. Each VLAN, or VLAN range, that is specified with the vtp domain command. D、D. Each VLAN, or VLAN range, that is specified with the vlan database command.
A、the best fix is obtained by using a tangent bearing and a range B、and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearings C、and using ranges，the most rapidly changing range should be measured last D、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
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