ISRC=International Standard Recording Code 国际标准记录码(ISO)isv.是（be的第三人称单数一般现在时）Is disposition affective is adjusted?Is Facebook Really Ruining Christmas?Isn't this indulging in sectarianism?Is annual Quality Policy established?ISSN International Standard Serial Number国际标准连续出版物号Is Goldbach Conjecture really proved?Is There a Transnational Anthropology?Is this machine-made or hand-made?is serenity sedateness and warmth...有宁静 安详 温暖...Is lupus erythematosus hematic cancer?