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International Union of Geodesy and Geophysics (IUGG) | 国际大地测量学与地球物理学联合会 | Promotes the study of all problems relating to the configuration and physics of the earth, its oceans and atmosphere; comprises a number of ... more | 促进关于地球形状、地球物理以及海洋和大气问题研究的组织。它包括多个国际协会。 |
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International Union of Geological Sciences (IUGS) | 国际地质科学联合会
| Contributes to the advancement of investigations relating to the study of the Earth. | 旨在推进地球研究的国际组织。 |
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International Union of Pure and Applied Physics (IUPAP) | 国际理论物理与应用物理联合会
| Creates and encourages international cooperation in physics; secures international agreement on symbols, units, nomenclature, and standar... more | 在物理领域提倡和鼓励国际合作，保证国家间符号、单位、术语和标准一致的国际组织。 |
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International voyage | 国际航行，国际航线
| A voyage from a country to which the 1974 SOLAS convention applies to a port outside that country or conversely (SOLAS Chapter 1, Regulation... more | 从某一国家到1974 SOLAS公约适用的其它国家的港口或从1974 SOLAS公约适用的其它国家的港口到这个国家的航行（SOLAS 第一章，规则2d）。 |
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International waters | 国际水域
| A nonlegal term that refers to those waters subject to the high seas freedom of navigation and overflight, i.e., contiguous zone, EEZ, and h... more | 非法律术语，指那些可自由航行和飞越的公海区域，如毗邻区、专属经济区和公海。 |
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interocular distance | 瞳孔间距离，眼距，眼基线
| See INTERPUPILLARY DISTANCE. | 参见interpupillary distance（眼距）。 |
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interpolation | 内插
| The process of determining intermediate values between given values in accordance with some known or assumed rate or system of variation. | 依据某些已知的或者假定的比率或者系统变化方式在给定值间确定中间值的过程。 |
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interpupillary distance | 瞳孔间距离，眼距
| The distance between centres of the eye pupils of an individual. Also called eye base,and used interchangeable with interocular distance. | 一个人两眼瞳孔中心之间的距离。也称为 eye base，可与interocular distance互相通用。 |
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interrogator | 询问器
| A radar transmitter which sends out a PULSE that triggers a TRANSPONDER. An interrogator is usually combined in a single unit with a RESPONS... more | 一种雷达发射机，它发出一束脉冲触发转发器。询问器通常与应答器成一组，它接收来自脉冲转发器的反应，并产生相应的输出反馈给显示系统。组合部件被称为询问应答器。简称interrogator-responsor。也称challenger（询问器）。 |
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interrogator-responsor | 问答器
| See INTERROGATOR and RESPONSOR. | 参见interrogator（询问器）和responsor（应答器）。 |
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intersected point | 交会点
| See STATION: INTERSECTION. | 参见intersection station（交会测站）。 |
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intersection | 交会
| In SURVEYING, the procedure of determining the horizontal POSITION of an unoccupied point (INTERSECTION STATION) by direction observations... more | 在测量中，由两个或者更多的已知位置用方向观测的方法确定一个未被测量点（交会点）的水平位置的过程。在摄影测量中，由摄影测量方法获取的方向线相交来确定某点水平位置的过程。这些方向线可以直接从正射影像中获得，也可用图解法或对倾斜影像数学校正方法获得。 |
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intersection station | 交会测站，交会点
| See STATION. | 在测量中，通过其他站点的观测确定目标点水平位置，而该目标点本身不进行任何观测。只通过两个站点观测的目标点，其位置称为无检核点位，因为不能证明这样的观测无差错。交会点往往是使用仪器设站有困难的地点，或不设站而有足够的精度测定其位置的测量觇标。也称intersected point（... more |
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intertidal zone | 潮间带
| The zone generally considered to be between MEAN HIGH WATER and MEAN LOW WATER levels. | 通常认为介于平均高潮和平均低潮之间的区域。 |
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intertropical convergence zone | 热带辐合带
| The zone which separates the trade winds. | 分隔信风带的区域。 |
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intervalometer | 定时曝光控制器
| A timing device for automatically operating the SHUTTER of a CAMERA at selected intervals. | 自动控制照相机快门按照选定间隔曝光的计时装置。 |
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invar | 殷钢，不胀钢
| An alloy of nickel and steel which has a low coefficient of expansion. | 镍和钢的合金。它的膨胀系数较低。 |
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invar tape | 殷钢圈尺
| See TAPE. | 由殷钢制作的测量尺。 |
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invar wire | 殷钢线尺
| See WIRE. | 一种由殷钢丝制成的尺子，用于测量大地基线。 |
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inverse Mercator projection | 横轴墨卡托投影
| See PROJECTION. | 该词指横轴墨卡托投影，当墨卡托投影正好延展至两极地区时适用。它用于两极地区天气图。 |