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	Term	术语	Definition	定义
	ridge	海脊，海岭；气象高压脊	The linked major mid-oceanic mountain systems of global extent. Also called mid-OCEANIC RIDGE.	a)狭长延伸的高地，侧面陡峭。b）分隔海洋盆地的狭长高地。c）全球范围内的连接在一起的主要海洋中脊�... more a)狭长延伸的高地，侧面陡峭。b）分隔海洋盆地的狭长高地。c）全球范围内的连接在一起的主要海洋中脊，也成为mid-oceanic ridge。d）特定气压区，在该区域内，大气压力高于同高度的周围区域。在天气图上，以略呈U形的、互相接近于平行的一组等压线表示高压脊，其凹面朝向高压。参见oceanic ridge（海脊）, trough（海槽）, wedge（光楔子）和pressure ridge（浮冰脊）。
	rift	断裂	A cleft, fissure or chasm in the EARTH. See MEDIAN VALLEY.	地面的裂缝、裂口或峡谷。参见median valley（中央裂谷）。
	rift valley	裂谷	See MEDIAN VALLEY.	参见median valley（中央裂谷）。
	rig	平台，钻塔	A temporary, mobile structure, either fixed or floating, used in the exploration stages of oil and gas fields.	一种临时的、可移动的装置，有固定和浮动的两种，用在油、气田的探测阶段。
	right ascension	赤经	ANGULAR DISTANCE east of the vernal EQUINOX; the arc of the CELESTIAL EQUATOR, or the angle at the CELESTIAL POLE, between the HOUR CIRCLE o... more ANGULAR DISTANCE east of the vernal EQUINOX; the arc of the CELESTIAL EQUATOR, or the angle at the CELESTIAL POLE, between the HOUR CIRCLE of the vernal EQUINOX and the HOUR CIRCLE of a point on the CELESTIAL SPHERE, measured eastward from the HOUR CIRCLE of the vernal EQUINOX through 24 hours.	春分点以东的角距；天球赤道的弧或天极角，春分点时圈和天球上某点时圈之间的夹角，自春分点向东量�... more 春分点以东的角距；天球赤道的弧或天极角，春分点时圈和天球上某点时圈之间的夹角，自春分点向东量取0-24小时。
	right bank	右岸	Of a RIVER, the BANK on the right-hand side as one proceeds downstream.	江河顺流而下时的右侧岸。
	right reading image	正读图像	An IMAGE which may be read or observed normally whether in NEGATIVE or POSITIVE form.	不论在正片或负片内可以正常读出或观测的图像。
	rill mark	沙沟，流痕	A small groove, furrow or CHANNEL made in MUD or SAND on a BEACH by tiny STREAMS following an outflowing TIDE.	海滨沙质或泥质滩上的小沟槽、冲痕和水道，由落潮后的小水流冲刷而成。
	rip current	回流，离岸流，激流	See CURRENT.	受风浪作用冲上海岸的海水的回流。
	ripple	波纹；波动	The ruffling of the surface of water, hence a little curling WAVE or UNDULATION. A WAVE controlled to a significant degree by both surface t... more The ruffling of the surface of water, hence a little curling WAVE or UNDULATION. A WAVE controlled to a significant degree by both surface tension and GRAVITY.	水体表面不平所形成的小波浪或波动。在很大程度上受控于表面张力和重力的波浪。
	ripple mark	波痕	Undulating surface features of various shapes produced in unconsolidated sediments by wave or current action.	波或流的运动在松散沉积物中产生的各种形状的表面起伏。
	rip-rap	乱石堆	See GROIN.	参见groin（防波堤）。
	rips	破浪，涟波	A turbulent agitation of water generally caused by the interaction of CURRENTS and WIND; in nearshore regions, rips may also be caused by CU... more A turbulent agitation of water generally caused by the interaction of CURRENTS and WIND; in nearshore regions, rips may also be caused by CURRENTS flowing swiftly over an irregular BOTTOM.	由流水和风相互作用引起的汹涌湍急的水流；在近海区域也可能因海流急速流过不规则的海底而产生。
	rise	海隆；上升；潮升	A broad ELEVATION that rises gently and generally smoothly from the SEAFLOOR.	由海底平缓凸起的绵延、宽阔的高地。
	rise	上升	A broad ELEVATION that rises gently and generally smoothly from the SEAFLOOR.	天体越出可见的地平线而升高。反之为下落。
	rise of tide	潮升	The HEIGHT of HIGH WATER above DATUM. Also called tidal rise.	基准面上高潮的潮高。亦称tidal rise。
	rising tide	涨潮	See TIDE.	潮汐周期介于低潮与其后的高潮之间的那部分。亦称flood tide。反之为falling tide（落潮）。
	river	江河	A relatively large natural STREAM of water.	比较大的天然水流。
	river discharge	流量	The rate of FLOW of water past a point in a STREAM, expressed as volume per unit time (usually cubic feet per second).	水流通过某一点的泄水率，以每单位时间的水流体积表示（单位通常为立方英尺/秒）。
	river harbour	河港	A harbour which lies on the banks of a river.	位于江河岸边的港口。
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