计算机绘图AutoCAD-畅读网

　　　　

计算机绘图AutoCAD

作者：王绍侠

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mobi/epub/pdf/awz3

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内容简介:

全书以AutoCAD 2008中文版为基础，系统地介绍了利用AutoCAD绘图的准备、二维平面绘图、图形对象编辑、图块与属性、文本注释、尺寸标注、三维建模等内容。本书结构清晰，内容详实，每章最后提供了思考题和练习题，便于读者总结提高。本书充分考虑到当前教学要求，由浅入深，内容丰富，可供中职学校机电专业、数控专业、机电一体化专业及相关专业人员学习和参考，尤其适合AutoCAD的初学者。

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CONNECT:[ UseTime:0.000498s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.002171s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.001874s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000707s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.000598s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.003194s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000725s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.005280s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.000454s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.012945s ]
SELECT * FROM `ls_goods` WHERE `id` = 147928 AND `status` = 1 LIMIT 1 [ RunTime:0.003570s ]
UPDATE `ls_goods` SET `click_count` = 153 , `update_time` = 1787276240 WHERE `id` = 147928 [ RunTime:0.000452s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 38 LIMIT 1 [ RunTime:0.023232s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.021647s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 38 LIMIT 1 [ RunTime:0.012951s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002145s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.003088s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1787276181 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.983677s ]

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