醬油標簽上標注的氨基酸態氮含量是什麼意思
？

anjisuantaidanhanliangshijiangyouchanpindeyizhongtezhengxingzhibiao，qihanliangyuegaoshuomingjiangyouzhongdeanjisuanhanliangyuegao，jiangyoudexianweiyuenong。genjuanjisuantaidanhanliangdeduoshao
，jiangyouzhuyaofenteji、一級、二級、三級四種。