There needs to be unambiguous specifications governing crew calls of abnormal conditions through the takeoff roll and the degree to which the plane commander then has the discretion to reject or go on the takeoff. 节是一个海里每小时的速度度量。这个单位被典型使用于航海和航空。历史上而言有不同的海里，因此有不同变量的节。但是我们的节的计算建立于当今通常被使用于全球的国际海里。 ... It is ... https://michaelv592muc5.shivawiki.com/user