Another pitchbook , in a chronology of how the ipo would unfold , stated : " research coverage initiated on day 26 , " which was the day research coverage could be initiated by an underwriter following an ipo 在该机制运行之后的所有争端解决中,无论是专家组,还是上诉机构,都是依据维也纳条约法公约解释wto诸多协议。