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	Term	术语	Definition	定义
	instrumental (or instrument) correction	仪器改正	That CORRECTION due to INSTRUMENTAL ERROR.	为了消除仪器误差而进行的改正。
	instrumental (or instrument) error	仪器误差	See ERROR.	由于使用的仪器或设备存在缺陷或错误调节等原因所产生的系统误差。
	instrumental (or instrument) parallax	仪器视差	See PARALLAX.	由于观测者相对仪器框标所处位置而引起的变化（个人视差），或由于仪器光学元件不完整调整而引起的�... more 由于观测者相对仪器框标所处位置而引起的变化（个人视差），或由于仪器光学元件不完整调整而引起的变化（光学视差）。
	insular	海岛的、岛的	Of or pertaining to an island or islands.	附属于一个岛屿或群岛的，或与一个岛、群岛有关的。
	insular shelf	岛架	A zone around an island that extends from the low water line to a depth at which there is usually a marked increase of slope towards oceanic... more A zone around an island that extends from the low water line to a depth at which there is usually a marked increase of slope towards oceanic depths.	岛周围的某一区域，该区域从低潮线开始一直向深海方向延伸到倾斜急剧增大的海洋水深处。
	insulated (or insulating) water bottle	绝缘采水瓶，保温采水瓶	See WATER BOTTLE.	参见water bottle（采水器）。
	INT1	INT1	The compendium of symbols, abbreviations and terms to be used on paper and raster NAUTICAL CHARTS, for use principally as a reference by ma... more The compendium of symbols, abbreviations and terms to be used on paper and raster NAUTICAL CHARTS, for use principally as a reference by mariners, as derived from the "Regulations of the IHO for International (INT) Charts and Chart Specifications of the IHO" (IHO S-4).	为便于航海人员使用，从《IHO海图规范和国际海图（INT）规章》（IHO S-4）中派生的国际海图系列的符号、�... more 为便于航海人员使用，从《IHO海图规范和国际海图（INT）规章》（IHO S-4）中派生的国际海图系列的符号、缩写和术语的汇编。
	intake	（液体等）进入口	The place where water is taken into a channel or pipe from a RIVER or other body of water, to drive a mill, or supply a CANAL, waterworks, e... more The place where water is taken into a channel or pipe from a RIVER or other body of water, to drive a mill, or supply a CANAL, waterworks, etc.	水从河流或者其它水体流入水道或管道的地方，可以推动磨粉机，或供给水渠和自来水厂等。
	intended track	计划航线，预定航线	See TRACK.	船舶在地球上航行的预期路线。
	intensity: luminous (in a direction)	NULL	Quotient of the LUMINOUS FLUX emitted by a source, or by an element of a source in an infinitesimal cone containing the given direction, by ... more Quotient of the LUMINOUS FLUX emitted by a source, or by an element of a source in an infinitesimal cone containing the given direction, by the solid angle of that cone.	NULL
	intensity: magnetic	磁场强度	See MAGNETIC FIELD INTENSITY.	参见magnetic field intensity（磁场强度）。
	intensity: sound	声强	At a point, the average rate of sound energy transmitted in a specified direction through a unit area normal to this direction at the point ... more At a point, the average rate of sound energy transmitted in a specified direction through a unit area normal to this direction at the point considered. The square of the SOUND PRESSURE.	在一个点上，声音能量在指定方向上通过垂直于该方向的单位面积的平均声能通量。声压的平方。
	intensity of gravity	重力强度	See GRAVITY.	重力作用的大小，当表示加速度时通常以伽为单位；当表示力时以达因为单位。
	intensity of magnetization	磁化强度	See MAGNETIZATION.	参见magnetization（磁化强度）。
	intercardinal point	次方位基点，隅点	Any of the four directions midway between the CARDINAL POINTS: north-east, north-west, south-east, south-west.	四个基本方位之间中间点的任意一个：东北、西北、东南、西南。
	intercept	截距	The name given in MARCQ ST. HILAIRE METHOD to the difference between the calculated ALTITUDE and the TRUE ALTITUDE of a CELESTIAL BODY. Also... more The name given in MARCQ ST. HILAIRE METHOD to the difference between the calculated ALTITUDE and the TRUE ALTITUDE of a CELESTIAL BODY. Also called altitude difference.	该名词来自马克圣•希莱尔方法，指天体计算高度和真高之间的差异，也称为altitude difference（高度差）。
	intercept method	截距法	See MARCQ ST. HILAIRE METHOD.	参见Marcq St. Hilaire method（马克圣.希莱尔法）。
	interface	界面，接口	A surface, usually plane, forming the BOUNDARY between adjacent solids, spaces or immiscible liquids. In data processing it describes all ... more A surface, usually plane, forming the BOUNDARY between adjacent solids, spaces or immiscible liquids. In data processing it describes all information (signals, data) and the specifications ("protocol") required for exchanging data between two units of a system. Interfaces exist between hardware and software units but also between computer and human user.	通常为平面形式的一个面，是在相邻的固体、空间或不能混合的液体之间形成的边界。在数据处理中，它�... more 通常为平面形式的一个面，是在相邻的固体、空间或不能混合的液体之间形成的边界。在数据处理中，它表示系统的两个单元之间的数据交换所需的全部信息（符号、数据）和规范（协议）。接口建立在硬件单位和软件单元之间，也可建立在计算机和用户之间。
	interference	干涉，干扰	Extraneous SIGNALS, NOISES, etc., that hinder proper reception of the desired SIGNAL in electronic equipment. See WAVE INTERFERENCE.	外部的信号、噪声等阻碍了电子设备所需信号的接收。参见wave interference（波干涉）。
	interferometric echo sounder	干涉回声测深仪	A type of SWATH(E) SOUNDING SYSTEM in which the equipment emits a timed PULSE of sound that is narrow in the fore-aft direction and wide in ... more A type of SWATH(E) SOUNDING SYSTEM in which the equipment emits a timed PULSE of sound that is narrow in the fore-aft direction and wide in the across-track direction. The system samples the reflected sound hundreds or even thousands of times for each emission. For each sample, the PHASE difference of the reflected sound arriving at two (or more) RECEIVERs located a known distance apart is measured and used to compute the ACOUSTIC angle of arrival. Also, the time difference between the emission and reception for each sample is converted to a RANGE. Geometry is then used to convert each RANGE and angle to DEPTHs and also to position these DEPTHs within the SWATH(E) on the SEAFLOOR.	一种发出前后方向窄、垂直航迹方向宽的定时声脉冲的条带测深系统。它为每次发出的脉冲进行数百次反�... more 一种发出前后方向窄、垂直航迹方向宽的定时声脉冲的条带测深系统。它为每次发出的脉冲进行数百次反射回声采样。对每个采样，测量到达两个或多个相对距离已知的接收器的反射声波相位差，并用于计算到达声波角。每次发射和接收的时间差会被转换为一个距离，系统采用几何学将每个距离和角度转换为海底的深度和位置。
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