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亚洲太平洋地区 (Chinese Simplified) 更改

 

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552  Entity and Attribute Information Note (R)

Input Standards

Optional/Optional
1st Indicator  Undefined
blank character  Undefined
2nd Indicator  Undefined
blank character  Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
‡a Entity type label (NR) Required if applicable/Required if applicable
‡b Entity type definition and source (NR) Required if applicable/Required if applicable
‡c Attribute label (NR) Required if applicable/Required if applicable
‡d Attribute definition and source (NR) Required if applicable/Required if applicable
‡e Enumerated domain value (R) Required if applicable/Required if applicable
‡f Enumerated domain value definition and source (R) Required if applicable/Required if applicable
‡g Range domain minimum and maximum (NR) Required if applicable/Required if applicable
‡h Codeset name and source (NR) Required if applicable/Required if applicable
‡i Unrepresentable domain (NR) Required if applicable/Required if applicable
‡j Attribute units of measurement and resolution (NR) Required if applicable/Required if applicable
‡k Beginning date and ending date of attribute values (NR) Required if applicable/Required if applicable
‡l Attribute value accuracy (NR) Required if applicable/Required if applicable
‡m Attribute value accuracy explanation (NR) Required if applicable/Required if applicable
‡n Attribute measurement frequency (NR) Required if applicable/Required if applicable
‡o Entity and attribute overview (R) Required if applicable/Required if applicable
‡p Entity and attribute detail citation (R) Required if applicable/Required if applicable
‡u Uniform Resource Identifier (R) Optional/Optional
‡z Display note (R) Optional/Optional


Definition

A note about the information content of the data set, including the entity types, their attributes and the domains from which the attribute values may be assigned.

1st Indicator

 Undefined. The 1st indicator position is undefined and contains a blank (blank character ).
blank character Undefined

2nd Indicator

 Undefined. The 2nd indicator position is undefined and contains a blank (blank character ).
blank character Undefined

Subfields
‡a Entity type label The name of the set into which similar entity instances are classified.
552 Elevation point ‡b a point of known elevation ‡c Elevation ‡d altitude above or below a reference datum ‡g 999 to 2641 ‡j meters.
‡b Entity type definition and source The description of the entity type and authority of the definition.
552 Scale bar and text, title information text ‡ b Level 1, Green.
‡c Attribute label The name of a defined characteristic of an entity.
552 soil type ‡b soil mapping unit polygon (SCS) ‡c numbered ‡d soil category, user-defined ‡g 1-4 ‡j integer ‡k 19940809-19940812 ‡l untested.
‡d Attribute definition and source The description of a defined characteristic of an entity and the authority of the definition. See subfield ‡ c example.
‡e Enumerated domain value The name or label of a member of an established set of valid values.
552 ‡ c AREA ‡ d Area of poly/region in square coverage units, computer ‡ e positive real numbers; Source: Circum-Arctic Map of Permafrost and Ground-Ice Conditions.
‡f Enumerated domain value definition and source The description of the value and the authority of the definition.
552 FED_BND.PAT ‡ b polygon attribute table for fed_bnd, computed ‡ e 12 ‡ f floating, USGS.
‡g Range domain minimum and maximum The least and greatest values of a continuum of valid values that the attribute can be assigned.
552 soil type ‡b soil mapping unit polygon (SCS) ‡c numbered ‡d soil category, user-defined ‡g 1-4 ‡j integer ‡k 19940809-19940812 ‡l untested.
‡h Codeset name and source The title of a standard or list which contains the members of an established set of valid values and the authority of the standard or list.
‡i Unrepresentable domain The values and reasons why the domain cannot be represented.
‡j Attribute units of measurement and resolution The standard of measurement for an attribute value and the smallest unit increment to which an attribute value is measured.
552 floodplain polygon ‡b 100 and 500 year floodplain zones (FIRM maps (FEMA)) ‡c user-id ‡d floodplain zone, USACERL ‡g 100-500 ‡j Years (time).
‡k Beginning date and ending date of attribute values The earliest and latest date for which attribute values are valid.
552 soil type ‡b soil mapping unit polygon (SCS) ‡c numbered ‡d soil category, user-defined ‡g 1-4 ‡j integer ‡k 19940809-19940812 ‡l untested.
‡l Attribute value accuracy An estimate of the accuracy of the assignment of attribute values. See subfield ‡k example.
‡m Attribute value accuracy explanation The definition of the Attribute Accuracy measure and units and a description of how the estimate was derived.
‡n Attribute measurement frequency The frequency with which attribute values are added.
‡o Entity and attribute overview A detailed summary of the information contained in a data set.
552 ‡o soil polygons with user defined attributes.
‡p Entity and attribute detail citation A reference to the complete description of the entity types, attribute and attribute values for the data set.
552 ‡o Three observables: Carrier-phase measurements, pseudorange (code) measurements, and observation times, as well as station and antenna information ‡p GPS Bulletin, Vol. 3, No. 3, September-October 1990 issue, from the Commission VIII International Coordination of Space Techniques for Geodesy and Geodynamics.
‡u Uniform Resource Identifier The Uniform Resource Identifier (URI), for example a URL or URN, provides electronic access data in a standard syntax. Use for automated access to an electronic item using one of the Internet protocols or by resolution of a URN. Repeat subfield ‡u if the digital object has mulitple identifiers (URIs).

Substituting hexadecimal notation for diacritics and special characters in Uniform Resource Identifiers. When recording a URI in subfield ‡u, you may enter most of the spacing characters listed below as either characters or their hexidecimal equivalents. Consult the table below.

Note: Do not confuse the spacing characters listed below with their long-valid non-spacing counterparts. Use of the spacing characters will be limited almost exclusively to URLs.

Entry method Name Character Alternative entry (hex value)



Enter as character or hex value		 Spacing circumflex/circumflex accent ^ %5E
Spacing underscore/low line 1  _ %5F
Spacing grave/grave accent ` %60
Spacing tilde/tilde ~ %7E
Enter as hex value only vertical bar n/a %7C

1  Because the Spacing Underscore may cause problems with MARC output, users may prefer to continue entering it with the hexidecimal value %5F.


‡z Display note A note that introduces the data in the field.
552 ‡z Entity values: ‡u [URL]

Printing

 Field 552 does not print.

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