KEEP IN CONTACT ON VHF CHANNEL 13.的中文意思是：在甚高频13频道保持联系。
A vessel proceeding along a narrow channel shall ______.A.avoid crossing the channel at right anglesB.not overtake any vessels within the channelC.keep as near as safe and practicable to the limit of the channel on her starboard sideD.when nearing a bend in the channel, sound a long blast of the whistle
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In this port，it is regulated that______will be broadcast every one hour on VHF Channel 6．A.VHF NewsB.Channel RulesC.Visibility TimeD.Navigational Warnings
How does the CRS Server know that it has received an ASR-enabled contact? （）A、The workflow has ASR steps in it. B、The contact is on an ASR Dialogue Group channel. C、The contact is on a JTAPI Call Control Group channel. D、The contact is on a Cisco Media Dialogue Group channel.
Keep to the middle of the（）(航道) ！A、buoyB、markC、beaconD、channel
Keep the NO1（）(浮标) on the port side!A、buoyB、markC、beaconD、channel
单选题After you enter Thimble Shoal Channel，you will alter course to pass between Trestle “A” and “B”. Which channel should you use?（）A Thimble Shoal Main Channel or the South Auxiliary ChannelB Any of the channels but keep to the right hand sideC The South Auxiliary ChannelD Thimble Shoal Main Channel
单选题If the circumstances of the case admit，any vessel（）in a narrow channel.A shall have the liberty to anchorB shall avoid anchoringC shall moor to a buoy when necessaryD shall keep anchoring
