​航迹坐标系绕xk轴转动⼀个航迹滚转⻆得到⽓流坐标系‌

单项选择题1.After a terrible quarrel with his parents, Frank had a sudden __________ to run away from home, but Cathy stopped him in time. A、impatience B、impact C、impulse D、implication

单项选择题Springer的快速检索中检索式“Japan Science and Technology Agency”意味着（ ）。 A、检索固定的词组Japan Science and Technology Agency。 B、Japan Science and Technology Agency四个单词必须同时出现。 C、Japan Science and Technology Agency四个单词只需出现其中之一即可。 D、Japan Science and Technology Agency四个单词必须同时出现，且顺序必须是Japan Science and Technology Agency，但中间允许插入其他单词。