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	Term	术语	Definition	定义
	zodiacal light	黄道光	White or yellowish light which spreads out, in the night sky, more or less along the ZODIAC from the HORIZON on the side on which the SUN is... more White or yellowish light which spreads out, in the night sky, more or less along the ZODIAC from the HORIZON on the side on which the SUN is hidden. It is observed when the sky is sufficiently dark and the ATMOSPHERE sufficiently clear.	夜空中，从遮挡太阳一侧地平面穿出沿黄道带附近传播而透出的白光或黄光，当天空足够黑且大气足够清�... more 夜空中，从遮挡太阳一侧地平面穿出沿黄道带附近传播而透出的白光或黄光，当天空足够黑且大气足够清晰时可观测到。
	zone	时区，带	An area in all parts of which the same TIME is kept. In general, each zone is 15° of LONGITUDE in width, with the GREENWICH MERIDIAN (0° L... more An area in all parts of which the same TIME is kept. In general, each zone is 15° of LONGITUDE in width, with the GREENWICH MERIDIAN (0° LONGITUDE) designated as the central MERIDIAN of zone 0 and the remaining zones centered on a MERIDIAN whose LONGITUDE is exactly divisible by 15°. Zones are used in connection with ZONE, STANDARD, and DAYLIGHT SAVING TIMES. Also calledtime zone.	其所有部分的时间均相同的区。通常，各时区经度方向宽15°，并以格林尼治子午圈（0°经度）作为0区的中... more 其所有部分的时间均相同的区。通常，各时区经度方向宽15°，并以格林尼治子午圈（0°经度）作为0区的中央子午圈，其它各区则将每隔15°的子午圈作为中央子午圈。用时区可以将区时、标准时、夏令时联系起来。亦称time zone。
	zone: equiphase	等相位区	That region in space within which the difference in PHASE of two radio signals is indistinguishable.	空间中两个无线电信号相位差不能区分的区域。
	zone: equisignal	等信号区	That region in space within which the difference in AMPLITUDE of two radio signals (usually emitted by a single STATION) is indistinguishabl... more That region in space within which the difference in AMPLITUDE of two radio signals (usually emitted by a single STATION) is indistinguishable.	空间中两个无线电信号（通常由同一个信号台发射）振幅大小不能区分的区域。
	zone meridian	时区子午线	The CENTRAL MERIDIAN of each zone of a grid system.	用于计算区时的子午线坐标格网中每区的中央经线。
	zone of silence	盲区，无信号区	See BLIND ZONE.	接收不到无线电信号的区域。亦称zone of silence。
	zone time	时区	See TIME.	在整个时区内统一执行的以某一参考子午线或时区子午线为基准的地方平时。该时区子午线通常为时区中�... more 在整个时区内统一执行的以某一参考子午线或时区子午线为基准的地方平时。该时区子午线通常为时区中线，其经度可被15°整除。
	zoom	图像（电子）放大	A method of enlarging graphics on a graphical display, usually a function provided by the hardware of the screen. Either a selected WINDOW m... more A method of enlarging graphics on a graphical display, usually a function provided by the hardware of the screen. Either a selected WINDOW may be enlarged to cover the entire screen or by repeatedly pressing a key, a stepwise or continuous enlargement of the screen contents can be invoked, keeping the graphics centered at the screen's centre.	1.一种图形显示器放大图像的方法，该功能通常由屏幕硬件实现，它或者可将被选择的窗口放大而覆盖整个... more 1.一种图形显示器放大图像的方法，该功能通常由屏幕硬件实现，它或者可将被选择的窗口放大而覆盖整个屏幕，或者重复按某键可连续放大图像内容，保持图像中心与屏幕中心一致。 2.在ECDIS中，在屏幕上放大或缩小图形的一种方法。
	Zulu time	祖鲁时间，世界时	See UNIVERSAL TIME.	见universal time（世界时）。
	alarm	警示	In ECDIS, a device or system which alerts by audible means, or audible and visual means, a condition requiring attention.	在ECDIS中通过声音方式或听觉和视觉手段发出警示的设备或系统，用于提醒需要注意某种情况。
	all other information	所有其它信息	In ECDIS, used to describe information additional to the STANDARD DISPLAY. Also called “ON-DEMAND INFORMATION”.	在ECDIS中指标准显示信息以外的其它信息。也称为“按需信息”（on-demand information）。
	application profile	应用简档	In ECDIS, used in reference to data structure. An application profile is defined for a specific purpose, such as the transfer of ENC DATA.	在ECDIS中用于指数据结构。一个应用简档一般定义用于特定目的数据结构，如传输电子海图数据。
	area	NULL	In ECDIS, the 2-dimensional GEOMETRIC PRIMITIVE of an OBJECT that specifies location.	NULL
	attribute	属性	In ECDIS, a characteristic of an OBJECT, usually of a charted feature. It is implemented by a defined ATTRIBUTE LABEL/CODE, acronym, defini... more In ECDIS, a characteristic of an OBJECT, usually of a charted feature. It is implemented by a defined ATTRIBUTE LABEL/CODE, acronym, definition and applicable values. In the DATA STRUCTURE, the attribute is defined by its LABEL/CODE. Attributes are either qualitative or quantitative.	指ECDIS中目标（往往是海图要素）的某种定性或定量特性。通过定义属性标识、属性代码、缩写词、定义及... more 指ECDIS中目标（往往是海图要素）的某种定性或定量特性。通过定义属性标识、属性代码、缩写词、定义及可用值来实现。在数据结构中，属性通过其标识和编码定义。
	attribute value	属性值	In ECDIS, a defined characteristic of an ATTRIBUTE LABEL/CODE.	在ECDIS中定义属性标识/代码的特征。
	automatic updating	自动更新	In ECDIS, either the SEMI-AUTOMATIC or the FULLY AUTOMATIC means of updating the ENC/SENC.	在ECDIS中，对ENC或SENC数据进行的半自动或全自动更新。
	base data	基础数据	In ECDIS, the S-57 conforming data at the data producer’s site that does not contain any UPDATE RECORDS. Once this data is exchanged, it ... more In ECDIS, the S-57 conforming data at the data producer’s site that does not contain any UPDATE RECORDS. Once this data is exchanged, it becomes TARGET DATA at the APPLIER’s site.	ECDIS中不包含任何更新记录的S-57标准数据。一旦这个数据被发布，它就成为后续更新适用的目标数据。
	cartographic object	制图物标	In ECDIS, a FEATURE OBJECT which contains information about the cartographic representation (including text of real world ENTITIES).	ECDIS中的一种要素物标，其包括对真实世界实体进行制图表达的信息（包括文字）。
	chain node	链节点	In ECDIS, the data structure in which the geometry is described in terms of EDGES, ISOLATED NODES and CONNECTED NODES. Edges and connected ... more In ECDIS, the data structure in which the geometry is described in terms of EDGES, ISOLATED NODES and CONNECTED NODES. Edges and connected nodes are topologically linked. NODES are explicitly coded in the DATA STRUCTURE.	ECDIS中采用链、孤立节点、连接节点进行几何表达的数据结构，该数据结构中的链和节点是拓扑连接的，且... more ECDIS中采用链、孤立节点、连接节点进行几何表达的数据结构，该数据结构中的链和节点是拓扑连接的，且节点采用显示编码。
	chart amendment patch	海图改正贴图	see CHARTLET	参见chartlet（贴图，图块；小海图）。
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