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Total record count: 6216.

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	Term	术语	Definition	定义
	spit	岬，沙嘴	A small point of land or narrow SHOAL projecting into a body of water from the SHORE.	陆地小岬角或从海岸突向水体的窄长浅滩。
	splines	曲线尺，活动曲线规	Flexible rulers or interpolation algorithm used to draw smooth curves between points when constructing e.g. hyperbolic lattices.	用于描绘两点间光滑曲线的可变形尺（如绘制双曲线格网时）。
	split fix	四标两角定位	See FIX.	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。
	split line of sounding	辅助测深线，加密测深线	A LINE OF SOUNDING run to fill a void when the maximum spacing of principal lines is exceeded.	主测深线间隔超限时填补空白的测深线。
	spoil	弃土，挖出的泥土和岩石	MUD, SAND, SILT or other DEPOSIT obtained from the BOTTOM of a CHANNEL or HARBOUR by dredging.	疏浚工程中从航道或港湾的水底挖出的泥、沙、淤泥或其它沉积物。
	spoil banks	弃（废）土堆	Submerged accumulations of dumped material dredged from CHANNELS or HARBOURS.	从水道或港湾疏浚出的水下堆积抛弃物。
	spoil ground	（垃圾）倾倒区，抛泥区	A sea area where dredged material is deposited. See also DUMPING GROUND.	堆积疏浚物质的海中区域。亦见dumping ground（弃泥区）。
	spoil ground buoy	倾倒区浮标	A BUOY marking the limit of a SPOIL GROUND.	指示倾倒区界限的浮标。
	spot elevation	高程点，高程注记	A point on a MAP or CHART whose ELEVATION is noted. It is usually indicated by a dot accompanied by a number indicating the vertical dista... more A point on a MAP or CHART whose ELEVATION is noted. It is usually indicated by a dot accompanied by a number indicating the vertical distance of the point from the reference DATUM. Spot elevations are used principally to indicate points higher than their surroundings. Also calledspot height.	地图或海图上标注高程的点。一般用小圆点表示，并注出该点自参考基准面起算的垂直距离数值。高程点�... more 地图或海图上标注高程的点。一般用小圆点表示，并注出该点自参考基准面起算的垂直距离数值。高程点主要用于指示比其周围地面高的点位。亦称spot height。
	spot height	点位高程	See SPOT ELEVATION.	地图或海图上注记高程的点。一般用小圆点表示，并注出该点自参考基准面起算的垂直距离数值。高程点�... more 地图或海图上注记高程的点。一般用小圆点表示，并注出该点自参考基准面起算的垂直距离数值。高程点主要用于指示比其周围地面高的点位。
	spout	龙卷风	Phenomenon consisting of an often violent WHIRLWIND, revealed by the presence of a cloud column or inverted cloud cone (funnel cloud), pro... more Phenomenon consisting of an often violent WHIRLWIND, revealed by the presence of a cloud column or inverted cloud cone (funnel cloud), protruding from the base of a cumulonimbus and of a 'bush' composed of water drops raised from the surface of the SEA or of DUST, SAND, or litter, raised from the GROUND.	由猛烈旋风构成的天气现象，呈现出云柱或倒置的圆锥云形，自积雨云底部出现，或自一种由海面升起的�... more 由猛烈旋风构成的天气现象，呈现出云柱或倒置的圆锥云形，自积雨云底部出现，或自一种由海面升起的水滴或地面升起的尘埃、沙粒及碎屑组成 “套筒”的底部。
	spray	浪花，水花	Ensemble of water droplets torn by the WIND from the surface of an extensive body of water, generally from the CRESTS of WAVES, and carrie... more Ensemble of water droplets torn by the WIND from the surface of an extensive body of water, generally from the CRESTS of WAVES, and carried up a short distance into the air.	被风自广阔水体表面刮出的大量水滴，经常从波峰上刮起，将水滴向上抛掷一段距离。
	spring	大潮；（源）泉	SPRING TIDE. A natural issue of water or other substances from the EARTH. One on the BOTTOM of the SEA is called a submarine spring.	大潮。水或其它物质从地面自然涌出，发生在海底者称海底泉。
	spring high water	大潮高潮	See MEAN HIGH WATER SPRINGS.	大潮高潮的平均高度。亦称spring high water。
	spring low water	大潮低潮	See MEAN LOW WATER SPRINGS.	大潮低潮的平均高度。在某些区域这个水平面用作潮高基准面。亦称spring low water。
	spring range	（平均）大潮差	The mean semidiurnal RANGE OF TIDE when SPRING TIDES are occurring. The mean difference in HEIGHT between MEAN HIGH WATER SPRINGS and MEAN... more The mean semidiurnal RANGE OF TIDE when SPRING TIDES are occurring. The mean difference in HEIGHT between MEAN HIGH WATER SPRINGS and MEAN LOW WATER SPRINGS. Also called mean spring range.	大潮发生时的平均半日潮差。即平均大潮高潮和平均大潮低潮间的平均高差。亦称mean spring range。
	spring rise	大潮升	See MEAN SPRING RISE.	在海图基准面上平均大潮高潮的高度。亦称spring rise。
	spring tide(s)	大潮	See TIDE.	在接近满月和新月时间所发生的范围较大的潮汐。
	spur	悬崖，山嘴，支脉	A subordinate ELEVATION, RIDGE or RISE projecting outward from a larger feature.	自较大地形特征向外凸出的次级高地、山脊或海隆。
	squall	飑	Atmospheric phenomenon characterized by a very large variation of wind speed: it begins suddenly, has a duration of the order of minutes, ... more Atmospheric phenomenon characterized by a very large variation of wind speed: it begins suddenly, has a duration of the order of minutes, and decreases rather suddenly in SPEED. It is often accompanied by a SHOWER or THUNDERSTORM.	以风速剧变为特征的大气现象。这种强风突然发生，持续数分钟，突然速度减小。常伴有阵雨或雷暴。
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