文件之间之间的关系

sutee7907

弱弱的文下，candence中的原路里图文件，封装库文件（.dra,  .psm），PAD文件还有网络标文件之间是什么关系，哪个文件必须放在安装目录下的PCBLIB文件里，那些必须在同一个文件里？

sutee7907

还有刚学到导入网表文件，开始生成网络表错误，后来重新弄了下封装，可以导入网标了可是出现了警告，帮帮看看是什么问题？
" T9 u5 Y8 Q' g6 u& w: j6 n#39  WARNING(304) Device/Symbol check warning detected.
Symbol '0603' for device 'R_0603_150K' not found in PSMPATH or must be "dbdoctor"ed.
+ g( u: B  v% \  P* ]#40  WARNING(304) Device/Symbol check warning detected.
Symbol '0603' for device 'R_0603_300K' not found in PSMPATH or must be "dbdoctor"ed.
; \/ v8 o3 U0 R) I4 k) @#41  WARNING(304) Device/Symbol check warning detected.
Symbol '0603' for device 'R_0603_1M' not found in PSMPATH or must be "dbdoctor"ed.
#42  WARNING(304) Device/Symbol check warning detected.
* v9 i4 K9 I( T8 s$ {1 P: MSymbol '0603' for device 'R_0603_560K' not found in PSMPATH or must be "dbdoctor"ed.
9 t4 @  _6 K. G8 |/ S1 \! ^! e& @#43  WARNING(304) Device/Symbol check warning detected.
Symbol 'SO-8' for device 'HT9032D_SO-8_HT9032D' not found in PSMPATH or must be "dbdoctor"ed.
8 r7 A( m2 |  \' r( X( \/ O! ~#44  WARNING(304) Device/Symbol check warning detected.
Symbol 'TLP127' for device 'PS2501-1_TLP127_PC181' not found in PSMPATH or must be "dbdoctor"ed.
#45  WARNING(304) Device/Symbol check warning detected.

sutee7907

没有人回答。不过问题解决了，笨办法一步一步的尝试。