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photograph perpendicular | 像片垂线，摄影机主光轴
| The perpendicular from the interior perspective centre to the plane of the photograph. | 从内透视中心到像片平面的垂线。 |
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photographic interpretation | 像片判读
| The examination of photographic IMAGES for the purpose of identifying objects and deducing their significance. | 为了识别目标并推断其含义而对影像进行的检查。 |
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photography | 摄影学
| The art or process of producing IMAGES on sensitized material through the action of light. | 通过曝光在感光材料上产生影像的技术或过程。 |
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photography: aerial | 航空摄影学
| The art, science, or process of taking AERIAL PHOTOGRAPHS. | 有关拍摄航空像片的工艺、科学和过程。 |
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photogravure | 凹版印刷
| A photoengraving process by which PHOTOGRAPHS or textual matters are reproduced on intaglio printing plate or rolls from which they may ... more | 将像片或文字材料复制到凹印版或滚筒上，然后再将其转换到纸上的印刷过程。 |
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photohead plotter | 光电传感头绘图仪
| A device used to plot information by exposure of a photographic film. | 通过对照相胶片曝光标绘信息的设备。 |
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photoindex | 像片镶嵌
| A MOSAIC made by assembling individual PHOTOGRAPHS, with accompanying designations, into their proper relative positions and copying the a... more | 将各单张像片连同其符号配置到相应的位置上并以缩小比例尺的方法将该组合照片进行复制的像片镶嵌工... more |
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photolithograph | 照相平版印刷品
| A lithograph produced by PHOTOLITHOGRAPHY. See LITHOGRAPHY. | 用照相平版印刷的平印印件。参见lithography
（平版印刷术）。 |
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photolithography | 照相平板印刷法、影印法 | That branch of lithographic printing in which PHOTOGRAPHY is employed for production of the IMAGE on the final printing surface. The origina... more | 一种平版印刷术，即运用照相法将影像印在最终的印刷版面上。原来的石印印刷版已几乎完全被薄的可弯... more |
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photomap | 影像图
| A photomosaic of a specified land area, which also contains marginal information, descriptive DATA, and a reference grid and/or projection. ... more | 某一特定陆地区域的影像镶嵌图，该图也包括图廓资料、说明、注记、参考格网或投影。亦可参见 mosaic（... more |
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photometeor | 暂光
| Optical phenomenon of the ATMOSPHERE. | 一种大气的光学现象。 |
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photometer | 光度计
| An instrument used in measuring the intensity of light, especially in determining the relative intensity of different lights. | 一种用于测量光强度，特别是确定不同光的相对强度的仪器。 |
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photosphere | 光球（层）
| The visible surface of the SUN and direct source of almost all its RADIATION. It is a gaseous LAYER some 400 km thick, below which the SUN b... more | 太阳及其几乎全部的直接辐射源的可见表面。它是一个厚约400公里的气层，在该层下面的太阳是晦暗的。 |
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photosynthesis | 光合作用
| The formation of carbohydrates in living plants from water and carbon dioxide, by the action of sunlight on the CHLOROPHYLL. | 通过阳光对叶绿素的作用，使水和二氧化碳在生长的植物中形成碳水化合物。 |
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phototheodolite | 摄影经纬仪
| A ground-survey instrument combining a THEODOLITE and a SURVEYING CAMERA in which the relationship between the camera axis and the LINE ... more | 一种由经纬仪和测量摄影机组成的地面测量仪器，通过该仪器可测出摄影机轴与经纬仪视准线之间的关系... more |
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phototopography | 摄影测量学
| The science of SURVEYING in which the detail is plotted entirely from PHOTOGRAPHS taken at suitable ground stations. | 一种测量学，其测绘的地形碎部全部是根据在适当地面站所拍摄的像片所绘出。 |
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phototriangulation | 像片三角测量
| The process for the extension of HORIZONTAL and/or VERTICAL CONTROL whereby the measurements of angles and/or distances on overlapping PHOTO... more | 一种水平或垂直控制的推展过程。它运用照片的透视原理，将重叠照片的角度和/或距离测量值联系起来进... more |
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photozincography | 照相锌版术
| The use of a zinc plate in PHOTOENGRAVING. | 使用锌版的照相凸版印刷。 |
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pictomap | 等密度线影像地图，无网印刷影像地图
| A map supplement on which the photographic imagery of a standard photomosaic has been converted into interpretable colours and symbols by ... more | 一种校正用图，通过使用色调蒙片法在该图上可将标准的像片镶嵌图的像片影像转换成可判读的颜色和符... more |
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picture control point | 像片控制点
| See CONTROL POINT. | 参见control point（控制点）。 |