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	Term	术语	Definition	定义
	firth	河口湾	A Scottish word: an ARM OF THE SEA; an ESTUARY of a RIVER.	苏格兰词汇：海湾；河口湾。
	fish aggregating device (FAD)	集鱼装置	See FISH HAVEN.	(FAD)。参见fish haven（鱼堰）。
	fishery conservation zone	渔业资源保护区	See FISHING ZONE.	参见 fishing zone（渔业区）。
	fish farm	养鱼场	An assemblage of cages, nets, rafts and floats or posts where fish, including shellfish, are artificially cultivated.	人工养殖贝类动物、鱼的场所，装备有鱼笼、渔网、木筏等装置。
	fish haven	鱼堰	Areas established by private interests, usually sport fishermen, to simulate natural reefs and wrecks that attract fish. The reefs are con... more Areas established by private interests, usually sport fishermen, to simulate natural reefs and wrecks that attract fish. The reefs are constructed by dumping assorted junk in areas which may be of very small extent or may stretch a considerable distance along a depth contour. Fish havens are outlined and labeled on charts. Also called fishery reefs.	通常由渔民建立的用来模拟自然礁石或者沉船的区域，可吸引周围的鱼群。鱼堰是通过在水中倾倒五颜六�... more 通常由渔民建立的用来模拟自然礁石或者沉船的区域，可吸引周围的鱼群。鱼堰是通过在水中倾倒五颜六色的废旧物品来构建，并可能沿等深线延伸很长一段距离。海图上会表示鱼堰范围和标注。也称为fishery reefs（渔礁）。
	fishing area	渔区	See FISHING GROUND.	参见fishing ground（渔场）。
	fishing ground	渔场	A water area in which fishing is frequently carried on. Also called fishing area or fishing zone.	经常进行捕鱼水域。也称为fishing area （渔区）或者fishing zone（渔业区）。
	fishing reef	渔礁	See FISH HAVEN.	参见fish haven（鱼堰）。
	fishing zone	渔业区	The offshore zone in which exclusive fishing rights and management are held by the coastal nation.	沿岸国拥有专属捕鱼权和管理权的近海水域。
	fish lead	鱼形水砣，鱼形测锤	See LEAD.	一种鱼形测深锤，它可最大限度的减小测绳的倾斜，并且在测深过程中不需要从水中将其提出水面。
	fish (or fishing) stakes	渔栅	Poles or stakes placed in SHALLOW WATER to outline FISHING GROUNDS or to catch fish.	浅水中用来标示渔场或者捕鱼的木桩。
	fish trap (or weir)	渔阱	A structure for catching fish. See also TUNNY NET.	用来捕鱼的装置。可参见tunny net（金枪鱼网）。
	fish trap buoy	捕鱼浮标	A BUOY marking the limits of a fish trap area.	标识捕鱼区域界限的浮标。
	fish weir	NULL	See FISH TRAP.	NULL
	fix	定点	In NAVIGATION, a relatively accurate POSITION determined without reference to any former POSITION. It may be classed as visual, celestial, e... more In NAVIGATION, a relatively accurate POSITION determined without reference to any former POSITION. It may be classed as visual, celestial, electronic, etc., depending upon the means of establishing it.	在航海中，指未参考其他任何位置而确定的相对精确的位置点。它可以分类为可视定点、天空定点、电子�... more 在航海中，指未参考其他任何位置而确定的相对精确的位置点。它可以分类为可视定点、天空定点、电子定点等，这取决于建立它的方式。
	fix	定位	(v.t.). In hydrographic SURVEYING, to determine, at regular intervals, the POSITION of ships or boats, while sailing along a LINE OF SOUNDIN... more (v.t.). In hydrographic SURVEYING, to determine, at regular intervals, the POSITION of ships or boats, while sailing along a LINE OF SOUNDING. The usual method of fixing HYDROGRAPHIC SURVEYS within sight of LAND is the THREE-POINT FIX METHOD.	指在海道测量作业中当测量船沿测深线移动时按照一定的间隔确定船舶的位置。在陆地视线范围内海道测�... more 指在海道测量作业中当测量船沿测深线移动时按照一定的间隔确定船舶的位置。在陆地视线范围内海道测量常用的定位方法是三点定位。
	fix: circular	无效定位	A useless FIX resulting from the OBSERVATIONS of two angles establishing as LOCI three coinciding CIRCLES OF POSITION. Also called rev... more A useless FIX resulting from the OBSERVATIONS of two angles establishing as LOCI three coinciding CIRCLES OF POSITION. Also called revolver, or swinger.	当观测两角而得到的三个位置圆重合时，则为无效位置。也称之为revolver或swinger（回转定位）。
	fix: running	移动定位，航行定位	A POSITION determined by crossing LINES OF POSITION obtained at different TIMES and advanced or retired to a common TIME, the expression bei... more A POSITION determined by crossing LINES OF POSITION obtained at different TIMES and advanced or retired to a common TIME, the expression being applied to a POSITION determined by advancing and retiring a line over a considerable period of time.	把不同时刻观测的位置线平移到同一时刻相交，得出定位点。这种定位法需要有较长的时间将一些位置线�... more 把不同时刻观测的位置线平移到同一时刻相交，得出定位点。这种定位法需要有较长的时间将一些位置线提前或推后观测。
	fix: split	四标两角定位	A FIX obtained by measuring two angles to four objects whose POSITIONS are known, i.e. with no common centre object.	在没有适当的中间物标，不能观测三标两角的情况下，通过观测已知位置的四标两角来确定船位。
	fix: three-point	三点定位	A FIX obtained by simultaneously observing, with SEXTANTS, the two adjacent angles between three suitably disposed objects whose POSITIONS... more A FIX obtained by simultaneously observing, with SEXTANTS, the two adjacent angles between three suitably disposed objects whose POSITIONS are known, and plotting the POSITION by a STATION POINTER. See also RESECTION and THREE-POINT PROBLEM.	用六分仪观测三个适当物标之间的两角，再用三臂分度规在海图上画出船位。
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