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What are the coordinate systems used in metrology?And how are the ground points positions are displayed respectively?
6Â¥2007-11-07 09:14:21
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Which coordinates can be used in the survey?
and how to express their position?
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2Â¥2007-11-06 23:32:00
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lililong0

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Surveying, which can be used several coordinates? How that ground their position?
3Â¥2007-11-06 23:38:46
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liuwei0551

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¡ï
zhotihu(½ð±Ò+1,VIP+0):лл
Which reference frame can be used in the surveying?
and how to express their position on the ground,respectively?
4Â¥2007-11-07 08:16:56
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