第04讲的补充

../../_images/%E5%B9%BB%E7%81%AF%E7%89%87180.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%87249.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%87336.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%87428.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%87527.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%87615.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%87715.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%87814.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%87914.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871014.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871118.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871215.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871314.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871414.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871514.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871614.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871713.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871813.JPG ../../_images/%E5%B9%BB%E7%81%AF%E7%89%871912.JPG