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	Term	术语	Definition	定义
	recommended route	推荐航路	See ROUTE: RECOMMENDED.	未确定宽度的航线，为方便船只通过，常用中线浮标指示。
	recommended track	推荐航线	A route which has been specially examined to ensure so far as possible that it is free of dangers and along which, ships are advised to navi... more A route which has been specially examined to ensure so far as possible that it is free of dangers and along which, ships are advised to navigate.	经过了特别检查以尽可能地确保没有危险、推荐船舶沿此航行的航线。
	reconnaissance	侦查，搜索，踏勘	In SURVEYING, a general examination or SURVEY of the main features, or certain specific features, of a region, usually as a preliminary to ... more In SURVEYING, a general examination or SURVEY of the main features, or certain specific features, of a region, usually as a preliminary to a more detailed SURVEY. An examination of an area to gain specific information, as the weather conditions, extent and nature of ICE, etc.	在测量工作中，对某区域主要要素或某些特定要素进行一般性调查或测量。通常为更详细测量做准备。以获得专门信息为目的而对某区域的调查，如调查天气情况、海冰范围和种类等。
	reconnaissance map	踏勘图	See MAP.	踏勘测量绘制的成果图。
	reconnaissance survey	踏勘测量	See SURVEY.	对某个区域的紧急初步测量，在实施更完善测量之前，以提供该区域可能有用的一些前期信息，亦见preliminary survey（初测）。
	recorder	记录员；记录器	The man on a survey party who records the observational DATA. A recording instrument. The part of an instrument or machine that records.	在测量队中负责记录观测数据的人。记录数据的仪器。设备或机械中用于记录的部分。
	recording anemometer	自记风速计	See ANEMOGRAPH.	参见anemograph（风速计）。
	recording barometer	自记气压计	See BAROMETER.	气压计的一种，它能以连续曲线的形式表示气压的瞬时变化。
	recoverable station	可恢复点	See STATION.	由明确的自然或人工物体标定的测站，其地理位置已准确测定和记载。
	recovery of station	测站恢复	In SURVEYING, the identifying and checking of an original STATION. This is considered as recovered when its MARK (MONUMENT) is identified as... more In SURVEYING, the identifying and checking of an original STATION. This is considered as recovered when its MARK (MONUMENT) is identified as authentic and proved to be occupying its original site.	在测量中，对原测站的判识和检测。当确认该测站标识有根据并被证明是在原位置上时，方可认为该测站已恢复。
	rectangular coordinates	直角坐标	See COORDINATES.	坐标轴成直角相交的任何坐标系统的坐标。
	rectification	纠正	The process of projecting a tilted or OBLIQUE PHOTOGRAPH onto an horizontal reference plane, the angular relationship between the PHOTOGRAPH... more The process of projecting a tilted or OBLIQUE PHOTOGRAPH onto an horizontal reference plane, the angular relationship between the PHOTOGRAPH and the plane being determined by ground methods.	用地面方法确定像片与平面之间的角度关系而将倾斜航摄像片投影到水平参考面上的过程。
	rectified altitude	视高度	See ALTITUDE: APPARENT.	参见apparent altitude（视高度）。
	rectilinear current	往复（潮）流，直线电流	See CURRENT: REVERSING.	参见reversing current（往复流）。
	rectilinear stream	直线流	See CURRENT: REVERSING.	参见reversing current（往复流）。
	rectoblique plotter	变角器	A mechanical device intended for RECTIFICATION of individual RAYS on tilted or OBLIQUE PHOTOGRAPHS.	用于纠正倾斜像片或倾斜航空摄影像片上各条光线的机械装置。
	recurrence rate	重复速率	See REPETITION RATE.	参见repetition rate（重复速率）。
	red mud	红泥	See MUD.	一种堆积在沙漠附近和大河口外海床上的来自陆地的红褐色深海泥；含有多达25%的碳酸钙。
	red sector	红区	A sector of the CIRCLE OF VISIBILITY of a navigational LIGHT in which a red light is exhibited. Such sectors are designated by their limitin... more A sector of the CIRCLE OF VISIBILITY of a navigational LIGHT in which a red light is exhibited. Such sectors are designated by their limiting BEARINGS, as observed at some point other than the LIGHT. Red sectors are often located so that they warn of danger to vessels.	具有红光的航标灯在视界内的扇形光区，如在某些点（除灯标外）所看到的，这种光区只规定指向几个有限的方向。红区一般对船只指示危险范围。
	red tide	赤潮	A red or reddish-brown discoloration of surface waters, most frequently in coastal regions, caused by concentration of certain microscopic ... more A red or reddish-brown discoloration of surface waters, most frequently in coastal regions, caused by concentration of certain microscopic organisms, particularly dinoflagellates. Toxins produced by the dinoflagellates can cause mass kills of fishes and other marine animals.	海洋表面的红色或微红棕变色水流，大多产生在沿岸水域，由一定密度的微生物，特别是腰鞭毛虫引起。腰鞭毛虫产生的毒素可使鱼类或其他海洋动物成批死亡。
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