与水平安定面相连的是两个称为 “ 升降舵 ” 的可动操纵面.Attached to the stabilizers are two movable surface called " elevator ".俯仰力矩的变化由升降舵的偏转来提供.A variable pitching moment is provided by moving the elevator.飞机的升降舵可以使它升降自如.The elevator of an airc...
越南战场上用于毁灭林区的“橙剂”,其成分是二氧杂芑。Dioxin was the ingredient in Agent Orange, used to defoliate Vietnam.所形成的水解反应物是二盐酸甲撑二氧胺.The resultant hydrolytic reaction product is methylenedioxyamine dihydrochloride.后者是由二氧杂环戊烷中活化较弱的C -H 键离解而...
Thank God they're not on my manor any more.谢天谢地,他们再也不在我的辖区里了。They brought up their children to be God-fearing Christians.他们将孩子培养成了虔诚的基督教徒。The President described the disaster as an act of God.总统将这场灾难说成是天灾。...