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Term | 术语 | Definition | 定义 |
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cartographer | 绘图员,制图者
| Person employed in drawing and constructing CHARTS or MAPS. | 从事海图或地图绘制作业的人。 |
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cartography | 制图学
| The art and science of expressing graphically, by MAPS and CHARTS, the known physical features of the EARTH, or of another CELESTIAL BODY. O... more | 用地图和海图表示地球或其他天体上已知自然特征的技术和科学。通常包含人的工作和各种活动。 |
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cartouche | 镶嵌图,附图
| A panel on a MAP, often with decoration, enclosing the TITLE or other LEGENDS, the SCALE, etc. | 地图上的嵌图,通常加以一定的整饰,嵌图内载有图名或其它图例和比例尺等。 |
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Cassini projection | 卡西尼投影
| See PROJECTION. | 一种常用投影,即沿着选定地理经线并沿垂直于该经线的大圆计算弧长,并将其作为直角坐标绘制到平面... more |
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cast | 投放,抛
| In OCEANOGRAPHY, a single lowering of a series of WATER BOTTLES or other oceanographic instruments at an OCEANOGRAPHIC STATION. Also referre... more | 在海洋学中,指在海洋观测站上将水瓶或其它海洋设备沉入水中。亦可参见oceanographic cast(海洋锤测,采... more |
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catenary | 悬链线;垂曲线
| The curve formed by a uniform CABLE, CHAIN, or TAPE supported only at its ends. | 仅在其两端支撑的均匀缆线、链条或带尺所形成的曲线。 |
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catenary correction (tape) | 垂曲改正
,悬链线改正 | See TAPE: SAG CORRECTION. | 参见sag correction tape(卷尺垂曲改正)。 |
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cathode-ray tube | 阴极射线管
| A vaccum tube in which electrons emitted by a hot cathode are formed into a narrow BEAM, accelerated at high VELOCITY and directed towards a... more | 用热阴极发射电子的真空管,这些电子形成一个狭窄光束,经过高速加速后发射到特制屏幕上,当电子撞... more |
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catoptric light | 反射灯 | See LIGHT. | 利用一个或多个反射器将光汇聚成一狭窄光束(与屈光灯相反)。 |
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causeway | 堤道,海堤
| A raised way across low or wet GROUND or water. | 一种越过低洼地或水域而加高的道路。 |
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caution area | 警戒区
| An area to which a CAUTIONARY NOTE applies where the mariner needs to be aware of special circumstances influencing the safety of NAVIGATION... more | 航海者应对航行安全有影响的某些情况保持关注的警戒区域。 |
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cautionary (or caution) note | 注意事项
| Information calling special attention to some fact, usually a DANGER AREA shown on a CHART, or other publication. | 对某些情况提请特别注意的说明。通常海图及其他出版物上所表示的危险区都要加注这种说明。 |
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cavitation | 空泡
| The turbulent formation, generally mechanically induced, including growth and collapse of bubbles in a fluid, and occurring when the static ... more | 当流体上任何点的静压力小于液体蒸汽压时所发生的一种湍流现象,包括气泡的生成和消失。这种现象由... more |
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cay (also kay, key) | 沙洲,珊瑚礁
| A low, flat ISLAND of SAND, CORAL, etc. awash or drying at LOW WATER; a term originally applied to the coral islets around the COAST and ISL... more | 低潮时适淹或干出的由沙、珊瑚等形成的低而平的岛屿。该术语最初仅用于表示沿海岸附近的小珊瑚岛和... more |
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ceiling | 云层高度
| See HEIGHT OF CLOUD BASE. | 参见height of cloud base(云层高度)。 |
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celestial body | 天体
| Any body pertaining to the heavens, constituting a unit for astronomical study, such as the SUN, the MOON, the PLANETS, FIXED STARS, COMETS,... more | 天空可供天文研究的任一单元。如太阳、月亮、行星、恒星、彗星等。 |
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celestial concave | 天穹
| See CELESTIAL SPHERE. | 参见celestial sphere(天球)。 |
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celestial coordinates | 天球坐标
| See COORDINATES. | 用于定义天球上点位置的任意一种坐标。天球坐标的地平、赤道、黄道坐标分别以真地平、天球赤道和黄... more |
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celestial equator | 天球赤道
| See EQUATOR. | 垂直于地轴的平面在天球上截得的大圆。亦称equinoctial(天体赤道)。 |
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celestial equator system of coordinates | 天赤道坐标系
| A set of CELESTIAL COORDINATES based on the CELESTIAL EQUATOR as the PRIMARY GREAT CIRCLE. Usually DECLINATION, RIGHT ASCENSION and HOUR ANG... more | 以天球赤道为基本圈的天球坐标系,其坐标通常用赤纬、赤经和时角或恒星时角表示。亦称作equinoctial syste... more |