李良春 的英文怎麼說
中文拼音 [lǐliángchūn]
李良春
英文
liang-chun li-
Professor walter willms, the pasture management expert with agriculture and agri - food canadas lethbridge research center, and professor zhao mengli, specialist in pasture zoology at the inner mongolian agriculture university, were invited to deliver this training. zebai, the dean and grassland management specialist of sichuan grassland science academy, li caiwang and bian zhigao, the grass planting and livestock breeding specialists, and luo guangrong and yang pinggui, yak feeding and breeding specialists, gave presentations on how to improve livestock production grazing management systems, how to evaluate pasture health and the grassland zoology systems, how to manage grazing on the natural grassland and co - manage the grassland and keep balance between the grass and herds
此次培訓邀請了加拿大農業部韋斯布里奇研究院牧場管理專家walter willms教授和內蒙古農業大學牧場生態專家趙萌莉教授，四川省草原科學研究院院長草地管理專家澤柏，牧草種植育種專家李才旺卞志高，氂牛飼養育種專家羅光榮楊平貴，就提高牲畜生產的放牧管理制度，牧場健康和草地生態系統服務評估，天然草地放牧管理及草地共管和草畜平衡，冬春打貯草基地與免耕種草技術，氂牛適時出欄和氂牛雜交改良技術氂牛本品種選育等先進經驗模式進行了介紹。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的線性回歸方程組成的系統。近三、四十年來，已有很多的學者對這類半相依回歸系統進行了大量的研究，作出了十分重要的成果： zellner （ 1962 ）提出了所謂兩步估計法；在其基礎上，林春士（ 1984 ）得出了兩步估計的充要條件，陳昌華（ 1986 ）討論了對設計矩陣不作任何要求的兩步估計及其優良性；進一步地，王松貴、嚴利清（ 1997 ）利用協方差改進法獲得了參數的一個迭代估計序列，劉金山（ 1994 ） ，李文、林舉干（ 1997 ）則分別對協方差改進估計進行了推廣。Over the years, dr li and his family have made generous donations to the chinese university, one notable example being the establishment of the mr li koon chun memorial fund and the dr simon li fook sean and madam yang yen ying fund, which support research and university development and financed many student and staff development programmes and the improvement of teaching facilities on campus
一直以來，李博士及其家人屢次慷慨捐助中大，其中包括成立李冠春先生紀念基金及李福善博士及李楊延茵女士基金，支持研究項目及大學發展，贊助師生活動，改善教學設施，貢獻良多。
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