Used for testing horizontal combustibility of various textile and show with flame spread rate.用于测定各类纺织织物水平方向燃烧性能,并以火焰蔓延速率来表示.COMBUSTIBILITY: Does not burn. Retards the flame when coated on combustible materials such as S...
罗尔定理是中值定理的一种特殊形式.Rolle's theorem is a special case of the mean value theorem.在速度分布是扭曲的情况下, 最好用中值速度.Where the speed distribution is skew, it's better to quote the median speed.摘要给出了开区间内有不可导点的微分中值定理.Give a set of...