Summary

Language code zh_Hans
Aliased language codes chi, chinese, chinese_chs, chinese_zh, chs, cmn, cmn_hans, cn, schinese, zh, zh_chs, zh_cmn_hans, zh_cn, zh_hans_cn, zh_simplified, zhcn
English name of the language Chinese (Simplified Han script)
Text direction Left to right
Case sensitivity Case-insensitive
Number of speakers 1,286,444,445
Plural: Default plural 187 translations
Number of plurals 1
Plural type None
Plurals
Plural formula 0
Plural: Qt Linguist plural 0 translations
Number of plurals 1
Plural type None
Plurals
Plural formula 0
07/16/2026

String statistics

Strings percent Hosted strings Words percent Hosted words Characters percent Hosted characters
Total 53,465 444,142 2,962,537
Approved 1% 1 1% 1 1% 4
Waiting for review 33% 18,227 40% 180,696 42% 1,261,505
Translated 34% 18,381 40% 180,841 42% 1,263,276
Needs editing 2% 1,394 1% 8,630 2% 82,202
Read-only 1% 153 1% 144 1% 1,767
Failing checks 3% 2,006 6% 30,880 7% 221,658
Strings with suggestions 1% 774 1% 5,397 2% 63,907
Untranslated strings 63% 33,690 57% 254,671 54% 1,617,059
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Activity in last 12 months

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Quick numbers

441 k
Hosted words
53,310
Hosted strings
34%
Translated
13
Contributors
and previous 30 days

Trends of last 30 days

+1%
Hosted words
+100%
+1%
Hosted strings
+100%
+1%
Translated
+33%
+66%
Contributors
+100%
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Resource updated
The “doc/po/zh_Hans/postgis-manual.po” file was changed. 07/16/2026
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If every Shapefile has the same attributes and data types and should be appended into one table, create the table from the first file and use <option>-a</option> for the remaining files.
 
07/16/2026
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To load a directory of Shapefiles, run the loader once per file and derive the table name from the file name. On Windows <filename>cmd.exe</filename>, use a single percent sign interactively and double percent signs in a batch file:
 
07/16/2026
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Some commonly used spatial reference systems are: <link xlink:href="http://spatialreference.org/ref/epsg/4326/">4326 - WGS 84 Long Lat</link>, <link xlink:href="http://spatialreference.org/ref/epsg/4269/">4269 - NAD 83 Long Lat</link>, <link xlink:href="http://spatialreference.org/ref/epsg/3395/">3395 - WGS 84 World Mercator</link>, <link xlink:href="http://spatialreference.org/ref/epsg/2163/">2163 - US National Atlas Equal Area</link>, and the 60 WGS84 UTM zones. UTM zones are one of the most ideal for measurement, but only cover 6-degree regions. For WGS84 longitude/latitude data, the UTM zone is <varname>least(floor((longitude + 180) / 6) + 1, 60)</varname>; the EPSG code is <varname>32600 + zone</varname> in the northern hemisphere or <varname>32700 + zone</varname> in the southern hemisphere.
 
07/16/2026
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Consecutive repeated points in a polygon boundary ring do not make the ring non-simple. Under the SFS curve model, a curve is interpreted by a continuous parameterization; consecutive equal coordinates are topologically indistinguishable from a single vertex. PostGIS therefore treats them as redundant vertices, so they do not make an otherwise valid polygon invalid.
 
07/16/2026
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Closed surface geometries can have non-zero volume. Use <xref linkend="ST_MakeSolid"/> when the geometry value itself must carry the solid flag.
 
07/16/2026
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Closed surface geometries can have non-zero volume. Use <xref linkend="CG_MakeSolid"/> when the geometry value itself must carry the solid flag.
 
07/16/2026
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For regular non-skewed rasters, the envelope and convex hull are more or less the same.
 
07/16/2026
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See <filename>doc/development/internals/raster-affine.md</filename> for the scale, skew, and rotation terms that make the convex hull and envelope differ for skewed rasters.
 
07/16/2026
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Note that PostgreSQL array types do not encode dimensions in function signatures, so multidimensional callback arguments are written as <type>double precision[]</type> and <type>integer[]</type> in the <type>regprocedure</type> signature.
 
07/16/2026
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