postgis-workshop

projection_exercises

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	English	Chinese (Simplified)	Actions
	Projection Exercises	投影练习
	Here's a reminder of some of the functions we have seen. Hint: they should be useful for the exercises!	这里提醒一下我们见过的一些功能。提示：它们应该对练习有用！
	:command:`sum(expression)` aggregate to return a sum for a set of records	:command:`sum(expression)` 聚合函数，用于计算记录集合的数值总和
	:command:`ST_Length(linestring)` returns the length of the linestring	:command:`ST_Length(linestring)` 返回线串的长度
	:command:`ST_SRID(geometry)` returns the SRID of the geometry	:command:`ST_SRID(geometry)`返回几何体的 SRID
	:command:`ST_Transform(geometry, srid)` converts geometries into different spatial reference systems	:command:`ST_Transform(geometry, srid)`将几何图形转换为不同的空间参考系
	:command:`ST_GeomFromText(text)` returns ``geometry``	:command:`ST_GeomFromText(text)`返回 ``geometry``
	:command:`ST_AsText(geometry)` returns WKT ``text``	:command:`ST_AsText(geometry)` 返回 WKT 格式的``text``
	:command:`ST_AsGML(geometry)` returns GML ``text``	:command:`ST_AsGML(geometry)`返回 GML 格式的``text``
	Remember the online resources that are available to you:	请记住您可以使用的在线资源：
	https://epsg.io/	https://epsg.io/
	Also remember the tables we have available:	当然！我们有以下表可用：
	``nyc_census_blocks``	``nyc_census_blocks``
	name, popn_total, boroname, geom	name, popn_total, boroname, geom
	``nyc_streets``	``nyc_streets``
	name, type, geom	name, type, geom
	``nyc_subway_stations``	``nyc_subway_stations``
	name, geom	name, geom

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None String updated in the repository postgis-workshop projection_exercises Chinese (Simplified)	English :command:`sum(expression)` aggregate to return a sum for a set of records Chinese (Simplified) 1 character edited Current translation Translated ::command:`sum(expression)` 聚合函数，用于计算记录集合的数值总和 7 months ago
xinbo Translation changed postgis-workshop projection_exercises Chinese (Simplified)	English :command:`sum(expression)` aggregate to return a sum for a set of records Chinese (Simplified) 13 characters edited Translated ::command:`sum(expression)` 聚合函数，用于~~对一组记录进行求和并返回~~计算记录集合的数值总和 7 months ago
None Suggestion removed during cleanup postgis-workshop projection_exercises Chinese (Simplified)	English :command:`sum(expression)` aggregate to return a sum for a set of records Chinese (Simplified) 46 characters edited :command:`sum(expression)`聚合函数用于对一组记录进行求和并返回总和 a year ago
xinbo Translation added postgis-workshop projection_exercises Chinese (Simplified)	English :command:`sum(expression)` aggregate to return a sum for a set of records Chinese (Simplified) 46 characters edited Translated :command:`sum(expression)`聚合函数用于对一组记录进行求和并返回总和 a year ago
mt:weblate-translation-memory Suggestion added postgis-workshop projection_exercises Chinese (Simplified)	English :command:`sum(expression)` aggregate to return a sum for a set of records Chinese (Simplified) 46 characters edited :command:`sum(expression)`聚合函数用于对一组记录进行求和并返回总和 a year ago
None String added in the repository postgis-workshop projection_exercises Chinese (Simplified)	English :command:`sum(expression)` aggregate to return a sum for a set of records Chinese (Simplified) 0 characters edited Empty a year ago

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Source string location

../../en/projection_exercises.rst:8

String age

a year ago

Last updated

7 months ago

Source string age

3 years ago

Translation file

postgis-intro/sources/locale/zh_Hans/LC_MESSAGES/projection_exercises.po, string 3