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watch: comparing | （天文钟）比对表，秒表 | A HACK WATCH, particularly one having its ERROR determined by comparison with a CHRONOMETER. | 一种简易天文表，特指通过与天文表比较，确定其误差的那种简易天文表。 |
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watch: hack | 航行表，简易天文表
| A WATCH used for timing OBSERVATIONS of CELESTIAL BODIES regulating ship's CLOCKS, etc. | 用于定时观测天体校准船钟等的表。 |
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watch: stop | 停表，秒表 | A WATCH that can be started, stopped, and reset at will, to indicate elapsed time. | 一种可随意开、停、暂停的表，用于指示已过的时间。 |
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watch buoy | 守位浮标
| See STATION BUOY. | 在重要的浮标或灯船离位或临时移动时，用于标记其近似位置的浮标。亦称 marker buoy，watch buoy。 |
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water bottle | 采水器
| A device for collecting WATER SAMPLES from varying DEPTHS. They are lowered in an 'open' state to the required DEPTH and can be closed befor... more | 从不同深度采集水样的装置。当它们放入所需深度时，使用信号发生器，将其置于“敞开”状态。提起前可以将其关闭。也可用一组采水器采样，此时，将几个采水器捆在一条索上，可以在一次投水中获取不同深度的采样。亦称water specimen cup。 |
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water bottle: insulated (or insulating) | NULL | A WATER BOTTLE specially designed for measuring temperatures and collecting WATER SAMPLES at moderate DEPTHS. This type of WATER BOTTLE is i... more | NULL |
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water bottle: reversing | NULL | A WATER BOTTLE specially designed for use in deep sea waters. The bottle is lowered by wire and can be closed watertight at any desired DEP... more | NULL |
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water colour | 水色
| See SEA WATER: COLOUR OF. | 海水表层的视觉颜色，产生颜色的原因是：可见光谱的某些成分伴随着溶解物质、密集浮游生物、岩屑或其它物质的影响而引起的反射。水色从深蓝到黄色变化，以号码表示高低，用福莱尔水色计测定。浮游生物的聚集会使海水暂时呈红、白、绿或其它颜色。亦称discoloured water。 |
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water column | 水柱
| A vertical continuum of water from sea surface to sea-bed. | 从海面至海床的连续水体。 |
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water content | 含水量，含水率
| A ratio; 100 multiplied by the weight of water in a bottom sediment sample divided by the weight of the dried sample, expressed as a percent... more | 一种比率值，即用100乘以海底沉淀样品中水的重量，再除以干样品的重量，用百分比表示。 |
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watercourse | 航道，水路
| A STREAM of water, a RIVER or a BROOK; also an artificial CHANNEL for the conveyance of water. | 溪流、河流或小河，亦指为水上运输开挖的人工运河。 |
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water front | 岸线，海滨
| LAND at the end of a STREAM, HARBOUR, etc. The part of a city or town on such LAND; WHARF or dock area. | 在河流、港口边缘的陆地。这类陆地的城市或城镇部分、码头或船坞区。 |
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water levelling | 静水面高程测量
| See LEVELLING. | 根据观测目标相对于静止水平面（如潮面）高度以获得相对高程的方法。沿岸目标的相对高程是根据它相对于静止水平面的高差来获得的。 |
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waterline | 海岸线；吃水线
| The line marking the junction of LAND and water. The line along which the surface of the water touches a vessel's hull. Also written as two ... more | 陆地与水体连接的痕迹线。水面与船壳接触线。亦可分开书写为两个单词。 |
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water-parting | 分水岭，分水线
| A summit or boundary line separating the drainage districts of two STREAMS or COASTS; a divide or WATERSHED. | 分开两河流流域或海岸的最高线或边界线；分界线。 |
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water sample | 水样
| A portion of water brought up from a certain DEPTH to determine its composition, or physical properties viz: temperature, SALINITY and DENSI... more | 从一定深度取出的一份水，用于确定水的成分或物理特性，即温度、盐度及密度。 |
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water sampler | 采水样器
| Any device for obtaining a WATER SAMPLE. Also called water sampling device. See WATER BOTTLE. | 任何获取水样的装置，亦称water sampling device。参见water bottle（采水器）。 |
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watershed | 分水线，分水界
| WATER-PARTING. The whole region or area contributing to the supply of a RIVER or LAKE; drainage area; catchment area or BASIN. | 分水线。
为河流或湖泊提供水源的整个区域；汇集水的区域或洼地。 |
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water signal | 水上标志
| See SIGNAL. | 设置在浅水区的海道测量标志。 |
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water sky | 水照云光
| Typical dark patches and strips on low CLOUDS over a water area enclosed in ICE or behind its edge. | 在冰间水面或冰缘后水面的上空，低云所反映出的典型黑块及黑带映象。 |