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Term | 术语 | Definition | 定义 |
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seaward | 向海的,向海底 | (adj. and adv.). Away from the LAND; toward the SEA. | (形容词和副词)远离陆地的;朝向海洋的。 |
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sea water | 海水 | The water of the SEAS, distinguished from fresh water by its appreciable SALINITY. The degree of the SALINITY greatly affects the water's ... more | 海洋里的水,以其相当大的含盐量区别于淡水。海水盐度的大小对海冰的物理特性影响较大。 |
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sea water: colour of | NULL | The apparent colour of the surface layers of the SEA caused by the REFLECTION of certain components of the visible light spectrum couple... more | NULL |
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seaway | 中浪;航进;航道,航线 | A moderately rough SEA. Used chiefly in the expression 'in a seaway'. HEADWAY of a vessel. The SEA as a route of travel from one place to an... more | 中等风浪的海面。主要用于表达“在中浪海区”。
船只的前进。
海上一地到另一地的通行路线;海运通... more |
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seaweed | 海藻(草) | Any macroscopic marine ALGA or SEAGRASS. | 泛指肉眼可见的海藻或海草。 |
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Secchi disc | 赛克板,海水透明度板
| A white, black, or varicoloured disc, 30 centimetres in diameter, used to measure water transparency (clarity). The disc is lowered in the... more | 用于量测海水透明度的圆盘,直径30厘米,涂为白色、黑色或其它颜色。将圆盘沉入水中,降至观测者肉眼... more |
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second | 秒,弧秒 | The unit of TIME in the SI system. A sixtieth part of a MINUTE, an angle or an arc. | 国际单位制中的时间单位。一秒等与六十分之一分,一角秒等于六十分之一角分,一弧秒等于六十分之一... more |
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secondary port | 副港 | See STATION: SUBORDINATE. | 根据参考站预报经改正确定其潮汐或潮流预报的地点之一。完成短周期观测并经过与参考站同步观测相比... more |
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secondary radar | 辅助雷达 | See RADAR: PRIMARY. | 参见primary radar(主雷达)。 |
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secondary station | 补充点 | See STATION: SUPPLEMENTARY. | 在给定区域为增加控制点数量而设立的辅助测站,或在不可能或不需要设置主要测站的地方所设的站。 |
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secondary tide(s) | 次生潮,副潮 | See TIDE. | 在一般的全日潮模型中,当月球位于赤道上空时,每月发生两次的那些附加高低潮和低高潮潮汐。 |
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secondary tide station | 短期验潮站;二级验潮站,二等水位站 | See STATION: TIDE. | 进行潮汐观测的地点称作验潮站。当有可能进行充分的、连续多年的观测,以确定该地点潮汐特征的称作... more |
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second nodal point | 第二节点 | See NODAL POINT. | 参见nodal point(节点)。 |
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second order triangulation | 二等三角测量 | See TRIANGULATION CLASSIFICATION. | 参见triangulation classfication(三角测量等级)。 |
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section | 截面 | Process of locating and coordinating a point from at least two existing control stations by observing horizontal directions from the control... more | 通过从控制点到目标点进行水平方向观察,并从现有的至少两个控制点来定位目标点的过程。亦称intersectio... more |
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sector scan sonar | 扇扫声呐 | A horizontal aperture SONAR used to detect obstructions ahead of the vessel by mechanical or electronic scanning in the horizontal plane. | 用于探测障碍物的水平开角声纳,以水平平面在船头进行机械或电子扫描。 |
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secular change | 长期变化 | An increase or decrease of intensity and/or change of direction of the total MAGNETIC FIELD over a period of many years. | 在多年周期内,总磁场强度的增减及方向变化。 |
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sediment | 沉积,沉积物 | Particulate organic and inorganic matter which accumulates in a loose unconsolidated form. It may be chemically precipitated from solution, ... more | 以不固结形式聚集的颗粒状有机或无机物。沉积的形成或因溶液的化学沉淀,或因有机物的分泌,或因大... more |
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sediment(s): bottom | NULL | In general all sedimentary material regardless of origin found on or in the submarine BOTTOM, including ballast or other material dumped i... more | NULL |
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sediment survey | 沉积测量 | A survey to determine the nature and distribution of types of sea bottom SEDIMENTS. | 调查海底沉积物特征、分布和类别的测量。 |