freeze-up date 中文意思是什麼

freeze-up date 解釋
凍結日期
  • freeze : vi (froze; frozen ; freezing)1 冷凍,凝固,結冰。2 凍僵,冰冷。3 戰栗,顫抖;〈美口〉木立不動...
  • up : adv (superl uppermost )1 向[在]上,向[在]上面;向[在]被認為處于上方的地方或方面〈如河流的源頭,...
  • date : n 1 日期。2 時期;時代,年代。3 〈美口〉(和異性的)約會;〈美俚〉約會的對象。4 〈口語〉同日;本...
  1. Based on the data of ice flood from 1957 to 1983, the method of topological forecasting of grey theory was applied to study the law of ice condition of inner mongolia reaches of the yellow river, and topological models of ice flood were built, and the freeze - up date and break - up date of the yellow river from 1984 to 2005 were calculated

    摘要本文應用灰色拓撲預測方法,根據1957年- 1983年的實測資料,探討黃河內蒙古段冰情預報的規律,並建立了冰情預測模型,對1984 ~ 2005年的開河、封河情況進行了預測。
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