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	Term	术语	Definition	定义
	satellite geodesy	卫星大地测量学	See GEODESY.	研究如何利用地球卫星观测值获取大地测量信息的学科。
	satellite navigation	卫星导航	A positioning method using satellites.	使用卫星的一种定位方法。
	satellite sounding	卫星测深	SOUNDING effected by means of instruments placed on board an ARTIFICIAL SATELLITE.	通过人造卫星携带的仪器所完成的探测。
	satellite station	卫星站	See ECCENTRIC STATION.	参见eccentric station（偏心站）。
	saturation	饱和，浸润，浸透饱和度	The condition existing when the greatest possible amount of anything has been reached, as a magnetic substance which cannot be further magne... more The condition existing when the greatest possible amount of anything has been reached, as a magnetic substance which cannot be further magnetized, or an electronic AID TO NAVIGATION which is being used by all the craft it can handle. At given temperature and pressure, state of moist air whose mixing ratio is such that the moist air can co-exist in neutral EQUILIBRIUM with an associated condensed phase (liquid or solid) at the same temperature and pressure, the surface of separation being plane.	当某物体已经达到其最大容纳量时所呈现的状态。如：磁性材料不能再进一步磁化；电子助航设备已被其所能用的所有船只使用。在给定的维度与压力下，湿气在中性平衡情况下能与相同温度、压力下的有关凝相（液体或固体）共存，其分离面为平面。
	Savonius rotor current meter	萨沃纽斯转子海流计	A low-threshold current speed sensor composed of two cylindrical VANES disposed to form an S-shaped rotor responsive to a wide SPECTRUM of h... more A low-threshold current speed sensor composed of two cylindrical VANES disposed to form an S-shaped rotor responsive to a wide SPECTRUM of horizontal flow components.	一种低阈值流速传感器，由两个筒状叶片组成，配置成能对各种水平流分量进行反应的S形转子。
	SBES	NULL	See SINGLE BEAM ECHO SOUNDER	NULL
	scale	刻度，尺（分）度；比例；（比例，刻度）尺	A series of marks or GRADUATIONS at definite intervals. The ratio between the linear dimensions of a CHART, MAP, drawing, etc., and the actu... more A series of marks or GRADUATIONS at definite intervals. The ratio between the linear dimensions of a CHART, MAP, drawing, etc., and the actual dimensions represented. It may be called chart scale or map scale when applied to a CHART or a MAP. In PHOTOGRAMMETRY, the ratio of a distance on a PHOTOGRAPH to a corresponding distance on the ground. The scale of a PHOTOGRAPH varies from point to point because of DISPLACEMENTS caused by TILT and RELIEF; but it is usually taken as f/H where f is the PRINCIPAL DISTANCE of the CAMERA and H is the HEIGHT of the CAMERA above mean ground elevation.	按一定间距刻划的一系列标记或分划。海图、地图和略图等图件的线性尺度与其所代表的实际尺度间的比率，在用于海图或地图时，可称为海图比例尺或地图比例尺。在摄影测量中，像片上一距离相对于地面距离的比率。因为倾斜和地表起伏产生位移，因此，像片比例尺在各个点是不同的，但一般把像片比例... more 按一定间距刻划的一系列标记或分划。海图、地图和略图等图件的线性尺度与其所代表的实际尺度间的比率，在用于海图或地图时，可称为海图比例尺或地图比例尺。在摄影测量中，像片上一距离相对于地面距离的比率。因为倾斜和地表起伏产生位移，因此，像片比例尺在各个点是不同的，但一般把像片比例尺看作f/H，f是摄影机像主距，H是摄影机相对于地面平均高程的高度。
	scale: bar	直线比例尺	A graduated line on a MAP, PLAN, PHOTOGRAPH, or MOSAIC, by means of which actual ground distances may be determined. Also called graphic sc... more A graduated line on a MAP, PLAN, PHOTOGRAPH, or MOSAIC, by means of which actual ground distances may be determined. Also called graphic scale or linear scale.	1. 地图、平面图、像片和镶嵌图上的分划线尺，用于确定实地距离。亦称图解比例尺或线性比例尺。 2. 在ECDIS中，1海里的垂直直线比例尺被分为1/10，以表达出距离的即时感。
	scale: border	图廓比例尺	A SCALE drawn along the BORDER OF CHART.	沿着海图边界绘制的分划比例尺。
	scale: equivalent	当量比例尺	The relationship which a small distance on a MAP, CHART or graphic bears to the corresponding distance on the EARTH, expressed as an equiv... more The relationship which a small distance on a MAP, CHART or graphic bears to the corresponding distance on the EARTH, expressed as an equivalence.	地图、海图或者略图上一小段距离与相对应的地面距离的关系，表示为某一当量。
	scale: fractional	分数比例尺	See SCALE: NATURAL.	参见natural scale（普通比例尺）。
	scale: graphic	图解比例尺	See SCALE: BAR.	参见bar scale(直线比例尺)。
	scale: large	大比例尺	A SCALE involving a relatively small reduction in size. A large scale CHART is one covering a small area. The opposite is SMALL SCALE. See S... more A SCALE involving a relatively small reduction in size. A large scale CHART is one covering a small area. The opposite is SMALL SCALE. See SCALE: NATURAL.	在尺度上缩小较少的比例尺。大比例尺海图覆盖区域较小。与此相对的是small scale（小比例尺）。参见natural scale（自然比例尺）。
	scale: latitude	纬线分划，纬度尺	The subdivided east and west borders of a MERCATOR CHART into DEGREES and MINUTES. A variant of the BAR SCALE, since a MINUTE of LATITUDE ... more The subdivided east and west borders of a MERCATOR CHART into DEGREES and MINUTES. A variant of the BAR SCALE, since a MINUTE of LATITUDE is very nearly equal to a NAUTICAL MILE.	墨卡托投影海图东西图廓的细分。直线比例尺的变形，因为纬度的1′非常接近于1海里。
	scale: linear	线性比例尺，直线比例尺	See SCALE: BAR.	参见bar scale(直线比例尺)。
	scale: logarithmic	对数尺	A SCALE graduated in the logarithms of uniformly-spaced consecutive numbers.	按照等间隔的连续数字的对数进行标记的比例尺。
	scale: log factor	NULL	In HYDROGRAPHIC SURVEYS, a proportional DIAGRAM constructed for the SCALE of the SURVEY sheet by means of which the LOG FACTOR can be quic... more In HYDROGRAPHIC SURVEYS, a proportional DIAGRAM constructed for the SCALE of the SURVEY sheet by means of which the LOG FACTOR can be quickly determined.	NULL
	scale: natural	自然比例尺	The ratio between the linear dimensions of a CHART, drawing, etc., and the actual linear dimensions represented, expressed as a proportion. ... more The ratio between the linear dimensions of a CHART, drawing, etc., and the actual linear dimensions represented, expressed as a proportion. Occasionally calledrepresentative fraction, fractional scaleor numerical scale.	海图、略图等的线性尺寸与其所代表的实际线性尺寸的比。有时称为图示比例尺、分数比例尺或数字比例尺。
	scale: numerical	数字比例尺	See SCALE: NATURAL.	参见natural scale（自然比例尺）。
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