精密工程测量的误差来源有哪些
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Array ( [url] => https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=%E7%B2%BE%E5%AF%86%E5%B7%A5%E7%A8%8B%E6%B5%8B%E9%87%8F%E7%9A%84%E8%AF%AF%E5%B7%AE%E6%9D%A5%E6%BA%90%E6%9C%89%E5%93%AA%E4%BA%9B [html] => [htmlhttp] => Array ( [0] => HTTP/1.x 0 ) [requesthttp] => [info] => Array ( [url] => https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=%E7%B2%BE%E5%AF%86%E5%B7%A5%E7%A8%8B%E6%B5%8B%E9%87%8F%E7%9A%84%E8%AF%AF%E5%B7%AE%E6%9D%A5%E6%BA%90%E6%9C%89%E5%93%AA%E4%BA%9B [content_type] => [http_code] => 0 [header_size] => 0 [request_size] => 0 [filetime] => -1 [ssl_verify_result] => 1 [redirect_count] => 0 [total_time] => 30.000481 [namelookup_time] => 5.006811 [connect_time] => 5.014512 [pretransfer_time] => 0 [size_upload] => 0 [size_download] => 0 [speed_download] => 0 [speed_upload] => 0 [download_content_length] => -1 [upload_content_length] => -1 [starttransfer_time] => 0 [redirect_time] => 0 [redirect_url] => [primary_ip] => 103.235.46.40 [certinfo] => Array ( ) [primary_port] => 443 [local_ip] => 168.76.70.60 [local_port] => 51401 ) [statics] => 0 [code] => 3 ) 全采集禁词,请更换词后重新采集!