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Term | 术语 | Definition | 定义 |
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azimuth: reverse | 反方位角 | See AZIMUTH: BACK. | 参见back azimuth(反方位角)。 |
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azimuth: true | 真方位角
| AZIMUTH relative to TRUE NORTH. | 以真北为基准的方位角。 |
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azimuthal equidistant projection | 等距方位投影
| See PROJECTION. | 方位投影的一种，从投影中心或极点辐射的直线代表的大圆，其方位角保持正确，而且沿这些线方向的长... more |
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azimuthal orthomorphic projection | 正形方位投影
| See PROJECTION: STEREOGRAPHIC. | 参见stereographic projection（球面投影）。 |
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azimuthal projection | 方位投影
| See PROJECTION. | 在该投影中，所有从中心点或极点辐射的直线的方位和角度在投影后保持不变。 |
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azimuth angle | 方位角
| AZIMUTH measured from 0° at the north or south reference direction clockwise or counter-clockwise through 90° or 180°. It is labelled wit... more | 以正南或正北作为基准方向，自0°顺时针或逆时针至90°或180°测量的方位。其标记方法是：以基准方向作... more |
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azimuth circle | 方位圈
| See BEARING CIRCLE. | 参见bearing circle（方位圈）。 |
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azimuth diagram | 方位图
| A DIAGRAM for obtaining graphically rather than by computation the AZIMUTHS of observed CELESTIAL BODIES. | 无需计算，通过图解法即可求得观测天体方位的一种图。 |
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azimuth mark | 方位标
| A MARK set at a significant distance from a TRIANGULATION or TRAVERSE STATION to mark the end of a line for which the AZIMUTH has been deter... more | 在离三角测量或导线测量站一定距离位置放置的标志，以标识已经确定方位的导线端点，用于后续工作的... more |
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back azimuth | 反方位角
| See AZIMUTH. | 指定方位角旋转180度得到的方位角。在大地测量中，BA线的方向不同于AB线的方向。二者相差180°加上AB两点... more |
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backbeach | 后滩
| Also written as two words. See BACKSHORE. | 这两个单词有时候也分开写。参见backshore（后滨）。 |
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backing wind | 逆转风
| Counter-clockwise change of wind direction, in either hemisphere. | 南北两半球上方向呈逆时针方向变化的风。 |
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backrush | 回卷
| The seaward return of water following UPRUSH of WAVES on a BEACH. | 海浪冲上海滩后转而向海的回流。 |
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backrush current | 回卷流
| See CURRENT: BACKRUSH. | 由于海岸附近和海滩附近的水位上升引起的梯度流。 |
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backshore | 后滨
| That part of a BEACH which is usually dry, being reached only by the highest TIDES. Also called backbeach. See also FORESHORE. | 海滩上除了高高潮之外一般情况下不被海水淹没的那部分。亦称backbeach（后滩）。亦可参见foreshore（前滩... more |
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backsight | 后视
| In NAUTICAL ASTRONOMY, an OBSERVATION of a CELESTIAL BODY made by facing 180° from the AZIMUTH of the body. In LEVELLING, a reading on a LE... more | 在航海天文学中，面朝与天体方位成180°的方向观测天体，称为后视。在水准测量中，指在事先已测得高程... more |
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backwash | 回流
| Water or WAVES thrown back by an obstruction such as a ship, BREAKWATER, CLIFF, etc. | 水或波浪遇到船舶、防波堤、悬崖等折回的海水或海浪。 |
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backwater | 回水
| Water turned back by an obstruction, opposing CURRENT, etc. Water held back from the main FLOW. | 遇到障碍物和逆向流阻挡而折回的水，例如从主流退缩下来的水。 |
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ballistic camera | 弹道照相机
| See CAMERA. | 一种精密的地面摄影机，通常采用玻璃底片，用于夜间以恒星为背景拍摄空间物体，例如火箭或卫星等。... more |
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band of colour | 色带
| See STRIPES (OF COLOUR) | 参见stripes（色带）。 |