清一清行李的件數 的英文怎麼說

中文拼音 [qīngqīnghángdejiànshǔ]
清一清行李的件數 英文
count the pieces of luggage and see how many there are clear
  • : Ⅰ形容詞1 (純凈) unmixed; clear 2 (寂靜) quiet 3 (清楚) distinct; clarified 4 (一點不留) w...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : 1. [植物學] (李子樹) plum2. (李子) plum3. (姓氏) a surname
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • : 數副詞(屢次) frequently; repeatedly
  • 行李 : luggage; baggage
  1. In the late 30 or 40 years, many scholars have a lot of studies on a seemingly unrelated regression ( sdr ) system with two linear regression models, and some important results are obtained : zellner ( 1962 ) put forward two - stage estimator ( tse ) ; based on zellner " s, lin chun - shi ( 1984 ) obtained the sufficient and necessary condition of two - stage estimator ; chen chang - hua ( 1986 ) discussed the tse and its optimalities without any condition for designed - matrix x ; ulteriorly, wang song - gui and van li - qing ( 1997 ) obtained an iteration sequence of estimator by using the covariance - improved approach ; liu jin - shan ( 1994 ), li wen and lin ju - gan ( 1997 ) generalized the covariance - improved estimator respectively

    半相依回歸系統是由兩個誤差項相關線性回歸方程組成系統。近三、四十年來,已有很多學者對這類半相依回歸系統進了大量研究,作出了十分重要成果: zellner ( 1962 )提出了所謂兩步估計法;在其基礎上,林春士( 1984 )得出了兩步估計充要條,陳昌華( 1986 )討論了對設計矩陣不作任何要求兩步估計及其優良性;進步地,王松貴、嚴利( 1997 )利用協方差改進法獲得了參個迭代估計序列,劉金山( 1994 ) ,文、林舉干( 1997 )則分別對協方差改進估計進了推廣。
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