There is considerable climaticvariation, with annual average temperatures ranging from 29'C in Florida to -13.3'C in Alaska.
气候复杂多样,年平均气温由佛罗里达的29摄氏度至阿拉斯加的零下13·3摄氏度不等。
2
On the basis of global warming, it was significance to predict and prevent local frost through analyzing the characteristics of frost climaticvariation.
It does convey the information that climatic changes on both the Loess Plateau and in the polar area were all greatly influenced by global climaticvariation.