常見例句I bought 10 of these china plates here alst week, but they are not enough. 上星期我在這里買了10個瓷盤,但還不夠。In this research the distributions of flood and drought during the warm and cold periods alst 500 years has been studied by means of historical comparison. 本研究一方面用歷史類比方法研究近500年我國歷史冷朝時期的旱澇分布特征,另一方面分析人類活動,特別是城市建設發(fā)展對旱澇災害的影響。After analyzing several methods,we combine high temperature roast,ultrasonic cleaning and cleaning liquor together for cleaning.At alst,we get a good result. 通過篩選決定采用高溫烘烤、超聲波清洗、化學清洗相結合的方法進行清洗,效果很好。Micromorphological and geochemical evidence of climate variation in the southern Louthern Plateau of China during the alst 10000 years 旅游與環(huán)境學院10000年以來黃土高原氣候變化的微形態(tài)及地球化學證據(jù)ALST Altostratus 高層云 返回 Alste