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Term 术语 Definition 定义
Electronic Navigational Chart (ENC)
电子航海图
The data base, standardized as to content, structure and format, issued for use with ECDIS on the authority of government authorized hydrogr... more
The data base, standardized as to content, structure and format, issued for use with ECDIS on the authority of government authorized hydrographic offices. The ENC contains all the chart information necessary for safe navigation and may contain supplementary information in addition to that contained in the paper chart (e.g. sailing directions) which may be considered necessary for safe navigation.
1、一幅电子航海图（ENC）是船舶电子海图数据库的子集。它包含有益于船舶航行的要素信息，例如海岸线，障碍物，航标等。 2、由政府授权的海道测量机构管理的和在内容、结构、格式方面符合标准的数据库，用于ECDIS系统中。ENC包含安全航行所需要的所有海图信息，可包括除纸海图内容之外... more
1、一幅电子航海图（ENC）是船舶电子海图数据库的子集。它包含有益于船舶航行的要素信息，例如海岸线，障碍物，航标等。 2、由政府授权的海道测量机构管理的和在内容、结构、格式方面符合标准的数据库，用于ECDIS系统中。ENC包含安全航行所需要的所有海图信息，可包括除纸海图内容之外的其它补充信息（例如航向），这些也是安全航行所必需的信息。
ENC cell structure
电子海图单元结构
See CELL
ECDIS中的基本ENC数据单位，其数据范围定义为由两条经线和两条纬线界定的地理区域。
ENC test data set
ENC测试数据集
In ECDIS, a standardized data set supplied on behalf of the INTERNATIONAL HYDROGRAPHIC ORGANIZATION (IHO) that is necessary to accomplish al... more
In ECDIS, a standardized data set supplied on behalf of the INTERNATIONAL HYDROGRAPHIC ORGANIZATION (IHO) that is necessary to accomplish all IEC testing requirements for ECDIS.
代表国际海道测量组织（IHO）提供的标准测试数据，该数据满足国际电工委员会（IEC）针对ECDIS的所有测试要求。
encapsulation
封装
In ECDIS, the identification of FIELDS and RECORDS and the grouping of fields and records and the data syntax rules used.
在ECDIS中，识别数据字段和记录，对字段和记录按照一定的数据语法规则组织。
exchange format
交换格式
In ECDIS, a specification for the structure and organization of data to facilitate exchange between computer systems.
在ECDIS中指关于数据结构和组织的规范，以便于不同计算机系统之间的数据交换。
exchange set
交换集
In ECDIS, the set of FILES representing a complete, single purpose (i.e. product specific) data transfer. The ENC PRODUCT SPECIFICATION def... more
In ECDIS, the set of FILES representing a complete, single purpose (i.e. product specific) data transfer. The ENC PRODUCT SPECIFICATION defines an exchange set which contains one Catalogue file and at least one data set file.
在ECDIS中指用于某种目的（如产品规格）的数据传输的文件集。ENC产品规范规定交换集包含一个目录文件和至少一个数据集文件。
feature
要素
In ECDIS, a representation of a real world phenomenon.
在ECDIS中，指真实世界中现象的抽象表示。
feature object
特征物标
In ECDIS, an OBJECT which contains the non-locational information about real world ENTITIES.
在ECDIS中指包含真实世界实体非位置信息的对象。
field
字段
In ECDIS, a named collection of labelled subfield(s). For example, IHO ATTRIBUTE LABEL/CODE and IHO ATTRIBUTE VALUE are collected into a fi... more
In ECDIS, a named collection of labelled subfield(s). For example, IHO ATTRIBUTE LABEL/CODE and IHO ATTRIBUTE VALUE are collected into a field named Feature Record Attribute.
在ECDIS中，指命名的子字段的组合。例如IHO 属性label/Code和IHO属性值组合成名为Feature Record Attribute字段。
file
文件
In ECDIS, an identified set of S-57 records collected together for a specific purpose. The file content and structure must be defined by a ... more
In ECDIS, an identified set of S-57 records collected together for a specific purpose. The file content and structure must be defined by a PRODUCT SPECIFICATION.
1、存储在大容量存储设备上的用于特定目的或者任务的数据实体。 2、在ECDIS中，指用于特定目的的可识别的S-57记录集合。文件的内容和机构必须由产品规范定义。
full topology
全拓扑
In ECDIS, a 2-dimensional DATA STRUCTURE in which the geometry is described in terms of NODES, EDGES and FACES which are all TOPOLOGICALLY l... more
In ECDIS, a 2-dimensional DATA STRUCTURE in which the geometry is described in terms of NODES, EDGES and FACES which are all TOPOLOGICALLY linked. A PLANAR GRAPH with faces.
在ECDIS中一种二维数据结构，几何上用拓扑关联的节点、边界和面域的术语来描述。带有面域的平面图结构也是全拓扑结构。
geo object
地理物标
In ECDIS, a FEATURE OBJECT which carries the descriptive characteristics of a real world ENTITY.
在ECDIS中表示描述真实世界实体特性的特征物标。
ground stabilization
对地稳定态（类似航海学中北向上显示方式）
In ECDIS, a display whereby own ship position is referenced to the ground. It is usually performed in conjunction with radar/ARPA, it can b... more
In ECDIS, a display whereby own ship position is referenced to the ground. It is usually performed in conjunction with radar/ARPA, it can be determined by computing set and drift or by the use of GPS/DGPS.
在ECDIS中，以地面为参照物显示本船船位的方式。通常与雷达/APAR协同使用。对地稳定态可以通过计算确定或者通过使用GPS/DPGS确定。
head-up display
船首朝上显示
In ECDIS, information shown on a display in such a fashion so that the vessel’s HEADING is always pointing upward. This ORIENTATION corresp... more
In ECDIS, information shown on a display in such a fashion so that the vessel’s HEADING is always pointing upward. This ORIENTATION corresponds to the visual view from the bridge in the direction of the ship’s heading. This orientation may require frequent rotations of the display contents. Changing the ship’s course or yawing of the vessel may render this non stabilized orientation mode unreadable. (See COURSE-UP DISPLAY).
在电子海图显示系统上所显示信息的方法，船首向总是指向上方，其与从舰桥上顺船首方向看到的实景一致。这种朝上方式可能需要频繁地旋转显示的内容。改变船的航向或船首摇都会使这个方向处于不稳定状态，从而不易认清。
IHO Transfer Standard for Digital Hydrographic Data
IHO 数字海道测量数据传输标准
In ECDIS, a “THEORETICAL DATA MODEL”, “DATA STRUCTURE”, “OBJECT CATALOGUE”, “ENC PRODUCT SPECIFICATION”, “USE OF THE OBJECT CATALOGUE for EN... more
In ECDIS, a “THEORETICAL DATA MODEL”, “DATA STRUCTURE”, “OBJECT CATALOGUE”, “ENC PRODUCT SPECIFICATION”, “USE OF THE OBJECT CATALOGUE for ENC” and an “Object Catalogue DATA DICTIONARY Product Specification” for use in the exchange or transfer of digital hydrographic data.
在ECDIS中为传输数字海道测量数据而制订的标准。主要由理论数据模型、数据结构、物标分类、ENC 产品规范、ENC 物标类目使用方法、物标类目数据字典产品规范等组成。
IHO test data set
IHO测试数据集
See ENC test data set.
参见ENC test data set（ENC test data set）。
Issuing Authority
发行机构
In ECDIS, the official agency which issues nautical chart and updates including ENC’s and ENC UPDATES.
为ECDIS发布ENC与ENC改正数据的官方机构。
key
关键词，珊瑚礁
In ECDIS, an identifier which establishes linkages, e.g. between different LAYERS, or FEATURES and ATTRIBUTES.
1、在ECDIS中，建立连接关系的标识符，如在不同的层或不同的特征与属性之间的连接。 2、参见cay（沙洲，珊瑚礁）。
layer
层，分层，地层
In ECDIS, a group of related information displayed as a who­le.
1、在ECDIS中，作为整体来显示的一组相关信息。 2、一种单一厚度的层，褶皱或岩层。
leg
边，导线边，航线的直线部分
In ECDIS, a line connecting two WAYPOINTS.
1、一条导线的每一直线部分。2、由单一航线组成的飞机（船）的航迹的一部分。3、在ECDIS中连接两个航路点的直线。