Bleeding from erosive gastritis was rarely life - threatening.腐蚀性胃炎的出血罕有危及生命的.Investigated charring erosive characters of internal insulation of solid rocket motor under flight acceleration.研究了固体火箭发动机内绝热层在飞行加速度条件下的炭化烧蚀特性...
Moreover, as time to maturity increases, term caplets become more valuable, but term caplet values decrease.再者, 随著到期期限增加时, 短期的单一利率上限契约价值有上升的趋势, 而长期契约价值有下降的趋势....