π=3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 8214808651 3282306647 0938446095 5058223172 5359408128 4811174502 8410270193 8521105559 |
Archiver|小黑屋|手机版|PCB设计论坛|EDA论坛|PCB论坛网 ( 沪ICP备05006956号-1 )
GMT+8, 2024-5-21 07:22 , Processed in 0.086452 second(s), 14 queries .
Powered by Discuz! X3.4
© 2001-2023 Discuz! Team.