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hazard beacon | 障碍标，危险物立标，危险警告信标
| See BEACON. | 标识障碍物或者危险物的信标。 |
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haze | 霾
| Suspension in the ATMOSPHERE of extremely small, dry particles which are invisible to the naked eye but are numerous enough to give the sky ... more | 肉眼看不见的非常微小的粒子悬浮在大气中，大量的存在足以使天空呈乳白色。 |
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head | 陡岬，回流浪花
| A precipitous CAPE, or PROMONTORY. See also HEADLAND. That part of a RIP CURRENT that has widened out seaward of the BREAKERS. | 陡峭的岬或海角。亦可参见headland（海岬）。
拍岸浪向海一侧的回流部分。 |
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heading | 船首向
| The direction in which a vessel or craft is pointed, usually expressed in DEGREES from NORTH (TRUE, MAGNETIC OR COMPASS) | 船舶艏艉线的艏方向，常以偏北（真北、磁北或罗经北）度数表示。 |
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headland | 高角，海角、海岬
| A high steep PROMONTORY. Usually called HEAD when coupled with a specific name. | 高陡的海角。时通常加上某一特定名称时称为Head（高角）。(如成山角) |
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head sea | 顶头浪、迎浪
| A SEA in which the WAVES move in a direction approximately opposite to the HEADING. | 近似直接向船头运动的海浪。 |
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headwater(s) | 河源头，上游、源流
| The STREAMS from the sources and upper parts of a RIVER. | 河流的源头和上游部分。 |
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headway | 前进，航行速度
| Motion in a forward direction. Also called SEAWAY. | 向前方向的运动。亦可称为Seaway。 |
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head wind | 顶头风，逆风
| WIND which blows in a direction opposite to that in which an object is moving, with respect to the EARTH's surface. | 以地球表面为参照物，风向同某一物体运动方向相反的风。 |
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heat equator | 热赤道
| See EQUATOR: THERMAL. | 参见thermal equator（热赤道）。 |
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heat lightning | 热闪电，无雷声闪电
| Lightning flash at a distance which may be observed as a short illumination of the sky or of a CLOUD, close to the HORIZON. | 在一定距离内观测到的接近地平线的天空或云团中的短暂闪光。 |
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heat wave | 热浪
| Marked warming of the air, or the invasion of very warm air, over a large area. | 在大范围内空气显著变暖，或热空气侵入。 |
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heave | 垂荡，起伏
| The oscillatory rise and fall of a ship due to the entire hull being lifted by the force of the sea. | 船舶由于受波浪的力量使整个船体被抬起的升降运动。 |
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heave compensation | 垂荡（波浪）校正、波浪补偿
| The removal of the effect of wave motion from the recorded seabed profile. | 从海底测线记录中消除波浪运动的影响。 |
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heavenly body | 天体
| See CELESTIAL BODY. | 参见celestial body（天体）。 |
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heel | 横倾
| Transverse INCLINATION of a vessel due to the action of WAVES, WIND, a greater WEIGHT on one side, etc. See also LIST. | 由于波浪、风或船体一侧偏重等引起的船体的横向倾斜。亦可参见list（侧倾）。 |
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heeling error | （罗经）倾斜自差
| See ERROR. | 磁罗经在船只倾斜时所出现的自差变化。这种变化是由于船只的磁效应相对地磁场及罗经的位置改变所引... more |
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heeling magnet | 倾斜改正磁铁、校正倾斜磁铁
| A permanent MAGNET placed vertically in a tube under the centre of a marine MAGNETIC COMPASS, to correct for HEELING ERROR. | 为了改正倾斜自差，在航海磁罗经中心下方的管子内垂直装置的永久性磁铁。 |
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height | 高度，高程
| The vertical distance of the top of an object affixed to the surface of the EARTH, measured from a specified DATUM usually a High Water dat... more | 1、高程 从某一规定的基准面（通常是高潮基准）起算测量的某一物体顶部到地球表面的垂直距离。
2、高... more |
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height finder | 测高仪
| A stereoscopic RANGE FINDER so constructed as to indicate vertical HEIGHTS rather than SLANT RANGE. | 一种立体镜测距仪，测量的量是垂直的高度而不是斜距。 |