下雪天飞机是否能起飞需要看下雪的具体程度。只要能见度符合要求，风力和风向符合安全指标，降雪强度在发动机的忍受范围内就可以起飞。
hey guys i have a textfile i have divided it into 4 parts. i want to search each part for the words that appear in each part and score that word
加载中,请稍侯......