\u8bbe\uff0c\u7269\u8ddd\u4e3au\uff0c\u76f8\u8ddd\u4e3av\uff0c\u7126\u8ddd\u4e3af\uff0c\u653e\u5927\u500d\u6570\u4e3ak\uff0c\u7269\u4f53\u9ad8h\u3002<\/p>\n
\u7531\u76f8\u4f3c\u4e09\u89d2\u5f62\u7684$$\\frac{u}{f}=\\frac{(k+1)h}{kh}$$\u548c$$\\frac{u+v}{u}=\\frac{(k+1)h}{h}$$\u3002<\/p>\n
\u6574\u7406\u4e8c\u5f0f\u5f97\uff1a$$\\frac{u}{f}=1+\\frac{u}{v}$$\uff0c\u4e24\u8fb9\u540c\u65f6\u9664\u4ee5u\u5f97$$\\frac{1}{f}=\\frac{1}{u}+\\frac{1}{v}$$\uff0c\u6574\u6bd5\u3002<\/p>\n
\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\uff1a<\/p>\n
\u79ef\u5206\u5f62\u5f0f\uff1a<\/p>\n
$$\\oint_{S}B\\mathrm{d}S=0$$<\/p>\n
$$\\oint_{S}E \\mathrm{d}S=\\frac{1}{\\epsilon_0}\\int_{V}^{}\\rho\\mathrm{d}V$$<\/p>\n
$$\\oint_{l}E\\mathrm{d}l=-\\int_{S}\\frac{\\mathrm{\\partial}B}{\\mathrm{\\partial}t}\\mathrm{d}S$$<\/p>\n
$$\\oint_{l}B\\mathrm{d}l=\\mu_0\\int_{S}^{}(J+\\epsilon_0\\frac{\\mathrm{\\partial}E}{\\mathrm{\\partial}t})\\mathrm{d}S$$<\/p>\n
\u5fae\u5206\u5f62\u5f0f\uff1a<\/p>\n
$$\\begin{cases}<\/p>\n
\\nabla \\times E=-\\frac{\\mathrm{\\partial}B}{\\mathrm{\\partial}t}\\\\ \\nabla \\times B=\\mu_0J+\\mu_0\\epsilon_o\\frac{\\mathrm{\\partial}E}{\\mathrm{\\partial}t}\\\\ \\nabla \\cdot E=\\frac{\\rho}{\\epsilon_0}\\\\ \\nabla \\cdot B=0<\/p>\n
\\end{cases}$$<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8bbe\uff0c\u7269\u8ddd\u4e3au\uff0c\u76f8\u8ddd\u4e3av\uff0c\u7126\u8ddd\u4e3af\uff0c\u653e\u5927\u500d\u6570\u4e3ak\uff0c\u7269\u4f53\u9ad8h\u3002 \u7531\u76f8\u4f3c\u4e09\u89d2\u5f62\u7684$$\\frac{u}{f}=\\fra […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[16],"tags":[82,85,86],"class_list":["post-450","post","type-post","status-publish","format-standard","hentry","category-16","tag-latex","tag-85","tag-86"],"_links":{"self":[{"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=\/wp\/v2\/posts\/450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=450"}],"version-history":[{"count":0,"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=\/wp\/v2\/posts\/450\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hsyyf.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}