如何自学(如何自学cad制图)

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1. é—′é?”é???¤?????o?o???ˉ??￥???????–???????-|?1?????-|?1?????—?é—′è|???-?????ˉè|????èˉ??????°????￠??¤????°?èˉ??????????ˉ??¤?????1????????o?15???é’????????‘¨??…????°±????ˉ1è?a?·±???è???-￥?????°???è????

2. ?‰???°è?a?·±???é￡????????‰???o??oo?–???￠???è§?é￠‘è??????ˉèˉ??1|?????‰???o??oo?–???￠?’?????????èμ·?-|?1????è????‰???o??oo?–???￠é??é????°?????¨?1|???é?￠?‰????ˉ???a?ooé????‰??????????–1?????????é?è|??‰???°??é????è?a?·±????–1?????

3. è‰ˉ?￥?????????????￥?????-|???èˉ????????a?è§|?????3?¤§è?‘??-è?????è?°????’????è§￡?o??‰????????o???aè????￥??????????¨???????????????—?è??è???”?é?????è???°±????‘3???????‰è§??????°????????‘??ˉ??ˉ??￥????-|?1????????????′é?????????’?????￠|?ˉ1?¤?????’??-???¨?–°????????ˉè?3?…3é??è|?????“?????¤§?-|?????é?1??”???è?¨?????????????????a?￥?觉????-|?”??ˉ1?-|?”?èμ??–????è?°????ˉ”é?￡?o??????????è?3????-|?”??￥?35??…??

4. ??“?3¨???|???????????‘?o???–?????è??????‘3?????????‘?o????é?￡?o???°é??????o???…è????‘???o??????????o???…????ˉ”?|?????-|?1???°?-|è????o???????’??????‘???…???-???§?è§￡??3????3??°±??ˉ?…3??‰???????‰???o?????–è…???????a??‰é???????°?–1????ˉ”?|?????1|é|???

5. ??aè???·￥????3?????“???????…¨é????-?2?????-|?1??—????è?????????a25???é’????è???—???¨?????“è???—???¨?“?èμ·?—?????”?????o”???é’?????|?????????3??§??-?-|?1?????°±é???–°è?????è???—???¨??è??é—′é?”??…?????-?—?é—′??‘??ˉ??ˉ???§???“?’??????￥?????§??-??a????????¨?????

6. é??é￠?????…????…??????°é??????o???…????????o?|????????’??¤§?¤???°?oo????·????—????????????—?????ˉ????o????????—|??????????o?è???o???°é??????o???…???????°±?????¨??￥?????￥??????¤???-???觉??′?￥?????′??‰??¨?????????????…???–?o???…??

7. è????¨é”????????￥??3????o¤è°???????°‘??‰?′???¨è??è?????????¤§è?‘???é????????è??????“è?2é”??????????????￥??3?’?è‰ˉ?￥?????o¤?μ?è°?èˉ???????è???????°è??????1??è?????è?????????¤§è?‘??-?o§?”??–°????￥?????a?è§|??????è??￠?????…????è????

8. è????￠??ˉ?￠????????ˉ??￥é?è????¨????a????????′?¤?è§?觉?????ˉ??′??°?ˉ??????ˉ?￠???-?-|?1??’?????·±?ˉ1??é—¨?-|?§‘???è?°???????¨??é?1???éa???-?????¤????-|?”???…é??è?°???é????o??????èˉ??????????-|?”???¨è?°????—???￠?o??????¤?????|??????2???‰????¤??a?????????é—′???????a???é—′?°?è??2???‰?a—?????|????a??????è??o??????￠è???????¤???è????????è?°??????èˉ??????“????ˉ”?2???‰??￠?????¤???é????o40??…??

9. è?¤?????°???è????—?è?o?|????????‰?????a??‰è?￡???????1??–1???????°??￡?§‘?-|è?¤??o????§ˉ????????…??a?ˉ1???é?????????????¨?-|?1?è?????é?????é??è|?????o?o?è?a?·±????????—???????1??

10. ????—????é|????ˉ???“?-|?1???“????—???????è?a?·±????a?°??μ?èˉ?????￥?μ?èˉ??????￠????????3???????????–è…?ˉ1??????????-|è????????è￥????????a????-???????“?????ˉ??￥???è?°?????????é??30??…???????o?ˉ1?o??¤§è?‘??￥èˉ′?????è??ˉ”é?…èˉ???°é????—?¤????é￠??¤–?????o???????¨??????è?°?????-????????′?·±????—?è?1??

11. ???è|???‰??o???-|?1??????¨??o?°±???é￥￥é￥?????????????è????‰??o??–??oè??è?a?·±??‰??¨???????°±?????????è???”¨èˉ?èˉ-??￥è??????oo?o§?”?é￥￥é￥???????‰??￥?|?????????°??¨?????3?-|?1?????????…????????‘??ˉ????????????????1???????o???…??

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