|
|
Term | 术语 | Definition | 定义 |
|---|---|---|---|---|
|
|
centripetal force | 向心力
| The force directed towards the centre of curvature which constrains a body to move in a curved PATH. Equal and opposite to the CENTRIFUGAL F... more | 指向运动曲线中心的力，其限制物体沿曲线运动。同离心力大小相等、方向相反。 |
|
|
centrosphere | 地核
| The central CORE of the EARTH, composed of dense material, and making up most of its mass. Also called barysphere or CORE. | 由高密物质组成的地球核心，占地球质量的绝大部分。也称作地球重核层或内核。 |
|
|
cesium clock | 铯原子钟
| See CLOCK: CESIUM. | 利用铯特性的原子钟。 |
|
|
cesium magnetometer | 铯磁力仪
| See MAGNETOMETER. | 采用铯作为吸收单元的光泵磁力仪。 |
|
|
C-factor | C因子 | (U.S.A.). In PHOTOGRAMMETRY, an empirical value which expresses the vertical measuring capability of a given stereoscopic system; generally ... more | 美国术语。在摄影测量学中，表示某立体测量系统垂直测量能力的经验值，一般定义为航高与可精确绘制在图上的最小等高距之比。它不是一个固定常数，而随摄影测量系统的部件和条件变化，变化幅度相当大。在制定航摄计划时，要利用C因子按给定的等高距、摄影机和仪器系统确定航高。 |
|
|
CGS system | 厘米·克·秒制
| See CENTIMETRE-GRAM-SECOND (CGS) SYSTEM. | 见【厘米·克·秒制或公分.克.秒制】 |
|
|
chain | 链，台链
| A group of TRANSMITTERS broadcasting the same programme. In ELECTRONIC NAVIGATION, several related transmitting stations in geographic prox... more | 播发相同测量信息的一组发射机。在电子导航中，地理上邻近的几个相关联的发射台站（台卡电台链、罗兰链）。数字数据中，一系列的单一或多个线段。 |
|
|
chaining | 丈量
| See TAPING. | 参见taping（卷尺测量）。 |
|
|
chain adjustment | 链平差
| A mathematical adjustment of a whole series of figures, for example, a CHAIN OF TRIANGULATION. | 系列图形的数学平差，如三角测量链的平差。 |
|
|
chain of triangulation | 三角链
| See TRIANGULATION: ARC OF. | 参见arc of triangulation（三角弧）。 |
|
|
challenger | 询问器
| See INTERROGATOR. | 参见interrogator（询问器）。 |
|
|
change of tide | 转潮
| A reversal of the direction of motion (rising or falling) of a TIDE. The expression is also sometimes applied to a reversal in the SET of a ... more | 潮汐运动方向的转换（涨潮或落潮）。该术语有时候也表示潮汐流方向的转换。亦称作转潮。参见stand of tide（平潮，停潮）。 |
|
|
channel | 航道；水道
| That part of a body of water (sometimes dredged) deep enough for NAVIGATION through an area otherwise not navigable. It is usually marked by... more | 某一水域中其深度足以保证安全航行的水体部分（有时为人工疏浚），除此之外均不适于航行。通常用一条或双条浮标线将其标出，有时还用叠标将其标出。
河流、海湾以及海峡中主流流经的最深部分。 |
|
|
channel: frequency | 频道
| A continuous portion of the frequency spectrum appropriate for a transmission utilizing a specified class of emission. | 频谱中适合某一使用特定发射类别播送的一个连续部分。 |
|
|
channel: sea | 海底峡谷，海沟 | A long, narrow, U-shaped or V-shaped shallow depression of the SEAFLOOR usually occurring on a gently sloping PLAIN or FAN. A continuously s... more | 一种连续的狭长的海底凹地，离散分布，一般出现在坡度平缓的海底或扇状海底。 |
|
|
character | 字符；符号
| As pertains to typography, a graphic symbol such as a letter of the alphabet, figure, punctuation mark or sign employed in recording languag... more | 用于语言记录的图形符号（如字母、数字、标点符号、标记）。
在数据处理中，用于表达信息的代码要素。 |
|
|
characteristics of light | 灯质，灯光特性
| All particularities of a LIGHT, such as colour, PERIOD, group number, VISIBILITY, HEIGHT above SEA LEVEL and CHARACTER. Also calledlight cha... more | 有关灯标的全部特征，如颜色、周期、连闪光次数、射程、海平面上高度和特征。也称作light characteristics（灯质）。亦可参见Group（群，联）。 |
|
|
character of light | 灯质
| The distinct character, such as fixed, flashing, or occulting, which is given to each LIGHT to avoid confusion with neighbouring ones. | 为避免与相邻灯标造成混淆，赋予每个灯标的不同特征，如定光、闪光、互闪。 |
|
|
character (or characteristics) of the bottom | （海底）底质
| See BOTTOM: NATURE OF. | 参见nature of bottom（海底特性）。 |
|
|
chart | 海图
| A special-purpose MAP generally designed for NAVIGATION or other particular purposes. See CHART: NAUTICAL, PAPER. | 用于航海或其他特殊目的的专门地图。参见nautical chart（航海图）、paper （纸）。 |