[{"title":"( 2 个子文件 1.09MB ) fpga pcb图和原理图","children":[{"title":"原理图和PCB","children":[{"title":"EP2C_BOARD.PcbDoc <span style='color:#111;'> 1.66MB </span>","children":null,"spread":false},{"title":"EP2C_BOARD.SchDoc <span style='color:#111;'> 2.56MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]