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1.定位精度,PSNGOOD表示飞机定位,误差()
单选题A. 小于20nmile~||~20~30nmile~||~20~40nmile~||~大于40nmile
2.选择双向推荐航线时,应将航线设计在推荐航线()适当的地方,以尽可能地避免航行中与来船构成对遇和不协调避让局面。
单选题A. 右侧~||~左侧~||~任何一侧~||~推荐航线上
3.由于作用在单位质量空气上的压力在水平方向上分布不均匀,所产生的力称为()
单选题A. 惯性离心力~||~地转偏向力~||~水平摩擦力~||~水平气压梯度力
4.气压场:锋面两侧的()
单选题A. 气压梯度连续,等压线过锋线的折角指向低压~||~气压梯度连续,等压线过锋线的折角指向高压~||~气压梯度不连续,等压线过锋线的折角指向低压~||~气压梯度是不连续的,等压线通过锋面有指向高压的折角
5.A pattern according to which vessels and / or aircraft may conduct a co-ordinated search is a ___________.
单选题A. Researchpattern~||~Researchmode~||~Searchpattern~||~Searchandrescuemode
6.某港某日潮汐资料为:090692cm,1342418cm。该港该日1100的潮高为()
单选题A. 211cm~||~225cm~||~229cm~||~234cm
7.BASHI: E TO SE 9-10. 500M IN HVY SQUALLY SHWRS AND TS. SEA 8-9M. SWELL SE 6-7M. From the above forecast, the wind in Beaufort Scale will be ______.
单选题A. STRONGGALETOSTORM~||~GALETOSTRONGGALE~||~NEARGALETOGALE~||~STRONGBREEZETONEARGALE
8.Many of the lights on this coast are placed so high as to be frequently obscured by______.
单选题A. power~||~tower~||~cover~||~lowclouds
9.()和AIS航标还能够为船舶提供导航和多种附加信息服务。
单选题A. AIS岸基设施~||~GPS导航仪~||~VHF收发信机~||~计算机
10.自由陀螺仪指()
单选题A. 高速旋转的三自由度陀螺仪~||~主轴可指向空间任意方向的陀螺仪~||~不受任何外力矩作用的平衡陀螺仪~||~重心与其中心相重合的三自由度陀螺仪
11.海上副热带高压中部的天气特点是()
单选题A. 风弱,闷热,多阵雨~||~风强,对流旺盛,多阵雨~||~风弱,闷热,万里无云~||~风强,干爽,万里无云
12.In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect?______.
单选题A. Southtowest~||~Southtoeast~||~Northtowest~||~Northtoeast
13.My vessel______bad weather with winds reaching force 9 on her way home.
单选题A. encountered~||~faced~||~found~||~Met
14.()是冷、暖气团势力相当,互有进退,锋面在小范围内来回摆动的锋。
单选题A. 冷锋~||~暖锋~||~准静止锋~||~锢囚锋
15.The approach to the roads and harbor from the______entails no difficulty.
单选题A. eastern~||~easterly~||~eastward~||~Eastwards
16.()是在海面风的作用下形成的海水水平方向的流动,又称风流。
单选题A. 补偿流~||~地转流~||~风海流~||~潮流
17.潮汐周日不等(diurnal inequality of tide)的现象为()。
单选题A. 一天有两次涨潮和两次落潮~||~相邻两次高潮或两次低潮潮高不等~||~涨落潮时间不相等~||~一天有两次高潮或两次低潮的潮高以及相邻的高低潮的时间间隔不相等
18.在水流影响较大的海域航行时,应输入对()速度。
单选题A. 天~||~地~||~水~||~船
19.通常在近地层风速具有明显的日变化特征,主要表现为()
单选题A. 白天小夜间大~||~白天大夜间小~||~白天和夜间一样大~||~昼夜均小
20.______20 targets can be tracked at one time.When maximum tracking capacity is reached,no further acquisitions(捕获) are possible.
单选题A. Asmanyas~||~Somanyas~||~Asmuchas~||~Asmoreas
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