1 解决

119 浏览

• 阿晴 2021-04-16

The communication arrangements are designed to enable distress alerting to be performed in all three directions: _____in all sea areas.

GMDSS英语

1 解决

92 浏览

• eggyy 2021-04-16

The following radio communication systems are used in the GMDSS except______.

GMDSS英语

1 解决

48 浏览

• Tate 2021-04-13

Which statement is correct while the INMARSAT-F SES antenna is shadowed by an onboard obstuction?

GMDSS英语

1 解决

58 浏览

• 娇娇嗯啊 2021-04-13

What is the minimum operation time of reserve source of energy on ships without anemergency energy source?

GMDSS英语

1 解决

40 浏览

• yingying520 2021-04-13

<{p _msttexthash="695349057" _msthash="55029"}>每艘船在海上时，都应capable_____。（一）接收岸对船遇险警报;（2）发送和接收MSI;③ 发送和接收船对船遇险警报<{/p}>

GMDSS英语

1 解决

123 浏览

• 至尊黄铜 2021-04-13

which statement is false regarding the transmission of maritime safety information？

GMDSS英语

1 解决

114 浏览

• quyu1 2021-04-13

The difference between international and national NAVTEX service is limited to ( )

GMDSS英语

1 解决

108 浏览

• 794603837 2021-04-13

In NAVTEX service, the subject indicator character "B” regardingtype of information means_____

GMDSS英语

1 解决

140 浏览

• 猫哥 2021-04-13

The shortest distance between the two NAVTEX stations with thesame B1 character should be _____n mile.

GMDSS英语

1 解决

64 浏览

• 野百合也有春天 2021-04-13

Which of the following MF frequencies is internationally allocated for NAVTEXtypebroadcasts?

GMDSS英语

1 解决

95 浏览

• yingying520 2021-04-13

<{p _msttexthash="485296058" _msthash="54995"}>海事安全信息包括 .（1）气象变暖;（2）气象变暖与预报; （三）向船舶广播的其他紧急安全信息。<{/p}>

GMDSS英语

1 解决

98 浏览

• Enoch 2021-04-13

_____is ( are) frequency (frequencies) can be used for routineDSC calling between ships, and between ship and shore respectively.

GMDSS英语

1 解决

71 浏览

• 信仰。 2021-04-13

<{p _msttexthash="749851232" _msthash="54959"}>以下哪些是国际海事卫星组织C的强制行服务？（1） FleetNET serviee.（2）数据上报。 （3）安全网服务。（4）投票服务。<{/p}>

GMDSS英语

1 解决

11 浏览

• ArchKnight 2021-04-13

<{p _msttexthash="823140032" _msthash="54925"}>A3和A4区域的船舶应酌情传送____。（<>）中频/甚高频的船对船警报;（<>）SES/HF DSC的船到岸警报;（<>）a EPIRB卫星的船到岸警报<{/p}>

GMDSS英语

1 解决

12 浏览

• zhy158 2021-04-13

<{p _msttexthash="1248791557" _msthash="48376"}>以下哪项是正确的？（1）每个国际海事卫星组织海域都有一个NOC： （2）每个海域都有一个NCS。 国际海事卫星组织海洋区域;（3）每个国际海事卫星组织海域都有一个LES。<{/p}>

GMDSS英语

1 解决

148 浏览

• 甜甜甜心 2021-04-13

There is/are____ operational NCS(s) in total of four ocean regions, the AOR(E an W)，IOR and POR.

GMDSS英语

1 解决

16 浏览

• zzq_123456 2021-04-13

The GMDSS must combine all various subsystems, 1they all have different limitations with respect to coverage; 2they all have different limitations in the technology they use;3different systems apply to different ships

GMDSS英语