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Term | 术语 | Definition | 定义 |
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bay closing line | 海湾封闭线
| A line dividing the internal waters and territorial seas in a bay. | 海湾中划分内水和领海的线。 |
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bay ice | 湾冰
| Level FAST ICE of more than one winter's growth, which may be nourished by surface layers of SNOW. Thickness of ICE and SNOW up to about 2 m... more | 一种平坦的固定冰，这种冰是由多年的结冰和积雪形成的。冰雪厚度约高出海平面2米。当湾冰的厚度超过2米时，则称之为冰架。 |
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bayou | 长沼
| A minor sluggish WATERWAY or estuarial CREEK, generally tidal or characterized by a slow CURRENT, with a COURSE generally through LOWLANDS o... more | 一种流动缓慢的小水道或港湾支流，其基本特点是流速缓慢，有潮汐现象。一般是经过低地或沼泽地，支流流向其他水体或与其他水体相连。在美国南方各地则有许多特殊含意。有时称作泥沼（slough）。 |
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beach | 海滩
| On a SHORE, the area on which the WAVES break and over which shore debris, such as SAND, SHINGLE, PEBBLES accumulate. A beach includes BACKS... more | 指经波浪冲击的海岸地带，其上覆盖有各种碎石，如沙、砾石、卵石等。海滨包括前滨和后滨。 |
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beach comber | 拍岸浪
| See COMBER. | 参见comber（卷浪）。 |
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beacon | 信标
| A fixed artificial NAVIGATION MARK that can be recognised by its shape, colour, pattern, TOPMARK or light character, or a combination of the... more | 固定人工导航标志，通过形状、颜色、图案、顶标、灯质或这些要素的组合加以识别，其可携带各种其它助航标志。当航标可归为灯塔类时很少用该术语表述。 |
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beacon: aeronautical | 航空灯标，航空信标
| An AERONAUTICAL GROUND LIGHT visible at all AZIMUTHS, either continuously or intermittently, to designate a particular point on the surface ... more | 全方位可见、持续或间断发光的航空地面灯标，用于指示地面特定位置点。无线电信标可与其结合使用。 |
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beacon: hazard | 障碍标，危险物立标，危险警告信标
| A BEACON marking an OBSTRUCTION or hazard. | 标识障碍物或者危险物的信标。 |
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beacon: identification | 基准位置识别标，识别指向标
| An AERONAUTICAL and/or RADIO and/or LIGHT BEACON emitting a coded SIGNAL by means of which a particular REFERENCE POINT can be identified. | 一种发射编码信号的航空标或无线电信标或灯标，借助所发编码可以识别某一特定的参考点。 |
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beacon: light (or lighted) | NULL | A BEACON from which a LIGHT is exhibited. | NULL |
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beacon: omnidirectional | 全向无线电信标
| See OMNIRANGE. | 参见omnirange（全向导航系统）。 |
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beacon: radio | 无线电信标
| See RADIOBEACON. | 参见radiobeacon（无线电指向标）。 |
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beacon: responder | 应答信标
| See TRANSPONDER BEACON. | 参见transponder beacon（应答信标）。 |
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beacon: transponder | 应答（器）信标，（应答式）无线电指向标 | See TRANSPONDER BEACON. | 带有应答器的信标。亦称responder beacon。 |
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beaconage | 信标制 | A system of BEACONS. See BUOYAGE. | 信标系统的一种。参见buoyage（浮标）。 |
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beam | 波束；光束
| RADIANT ENERGY confined to a particular shape. | 某种特定形态的辐射能。 |
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beam compass | 长臂圆规
| An instrument consisting of a beam or rod with sliding sockets that hold pencil, pen, or steel points, used together with a SCALE for plotti... more | 一种标图仪器，它由连杆和固定铅笔、钢笔或钢针的活动套筒组成，与比例尺配合使用，可标出准确的长度或画出较大的圆弧。 |
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beam sea | 横浪
| WAVES moving in a direction approximately 90° from the HEADING. | 与船首向成90度方向运动的波浪。 |
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beam width | 波束宽度
| The angular measure of the transverse section of a beam (usually in the main lobe) lying within directions corresponding to specified values... more | 在场强最大的方向内，波束（通常是主瓣）横断面的角度值。 |
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beam wind | 横风
| WIND blowing in a direction approximately 90° from the HEADING. | 与船首方向成90度的风。 |