freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

畢業(yè)論文-人民幣匯率對我國經(jīng)濟的影響研究-全文預(yù)覽

2025-02-06 20:07 上一頁面

下一頁面
  

【正文】 . ( 7)不考慮戰(zhàn)爭,自然災(zāi)害等人為不能控制因素的影響 3 符號說明 X 表示進口貿(mào)易額; M 表示出口貿(mào)易額; x 表示年份; y 表示人民幣對其他貨幣匯率; (其余沒有說明的符號在文中有說明) 4 問題的分析 研究人民幣匯率與主 要貨幣的關(guān)系 本文從《中國統(tǒng)計年鑒》選取日元、美元與歐元的匯率與人民幣匯率的數(shù)據(jù)(見附錄 1) .運用 SPSS及 EXCEL軟件分別探討人民幣與三種主要貨幣的匯率關(guān)系 . 人民幣對日元匯率的影響 表 1 人民幣與日元的匯率 年份 100 日元 年份 100日元 年份 100日元 1997 2022 2022 1998 2022 2022 1999 2022 2022 2022 2022 2022 2022 2022 2022 原始數(shù)據(jù)表示 100日元兌換人民幣數(shù)額 1y ,以其為縱軸,年份為橫軸繪制散點圖 ,并觀察其數(shù)據(jù)分布如下圖 1 洛陽師范學院本科畢業(yè)論文 4 圖 1 人民幣對日元匯率散點圖 從圖中可得知,從圖中可明顯看出前 6年數(shù)據(jù)中存在異常值,如果不考慮異常值,觀察2022年及以后數(shù)據(jù)分布,發(fā)現(xiàn)數(shù)據(jù)大體呈多項式模型分布,即 y1數(shù)據(jù)分布隨時間呈有規(guī)律變化,即人民幣兌對日元的匯 率變化有顯著影響 .運用 EXCEL軟件作散點圖并進行2,3,4次模型擬合 .擬合方程及相關(guān)系數(shù)如圖 2 圖 2 經(jīng)過 2,3,4次擬合比較得知,模型為 4次時擬合程度較好 . ?R ,不再做更高的擬合 .并作出擬合趨勢線,模型說明在 20222022年人民幣對日元的匯率隨時間的變化呈有規(guī)律變化,變化規(guī)律用擬合方程 洛陽師范學院本科畢業(yè)論文 5 2341 ?????? xxxxy 來描述 . 人民幣對美元匯率的影響 表 2 人民幣對美元的匯率 年份 100 美元 年份 100美元 年份 100美元 1997 2022 2022 1998 2022 2022 1999 2022 2022 2022 2022 2022 2022 2022 2022 原始數(shù)據(jù)表示 100美元兌換人民幣數(shù)額 2y ,以其為縱軸,年份為橫軸繪制散點圖,并觀察其數(shù)據(jù) 分布如圖 3 圖 3 人民幣對美元匯率散點圖 從圖中可得知 .在 1997至 2022年中的數(shù)據(jù)隨時間的增長呈現(xiàn)下降趨勢,即人民幣兌美元匯率具有顯著的相關(guān)性 .分別對其進行多項式模型擬合、對數(shù)模型合 .擬合方程及相關(guān)系數(shù)如圖 4 洛陽師范學院本科畢業(yè)論文 6 圖 4 對擬合結(jié)果進行比較得,多項式模型擬合效果最好, ?R ,并作出擬合趨勢線 22 ???? xxy 來描述人民幣對美元的匯率存在一定的相關(guān)性 . 人民幣對歐元匯率的影響 表 3 人民幣與歐元匯率 年份 100 歐元 年份 100歐元 年份 100歐元 1997 2022 2022 1998 2022 2022 1999 2022 1029 2022 2022 2022 2022 2022 2022 2022 原始數(shù)據(jù)表示 100元兌換人民幣數(shù)額 3y ,以其為縱軸,年份為橫軸繪制散點圖,并觀察其數(shù)據(jù)分布 .如圖 5 洛陽師范學院本科畢業(yè)論文 7 圖 5 人民 幣對歐元匯率散點圖 從上圖中我們可以觀察到人民幣對歐元的匯率隨時間的增長呈有規(guī)律變化,大體呈多項式模型分布。s economy. Exchange rate as a price index of international economic activity, the changes have a profound effect on a country39。s rapid economic stable development of the RMB exchange rate should be how to adjust to make certain suggestions and ments. Key Words: exchange rate ; multiple regression model ; trade volume 附件 歷年人民幣年均價 年 份 100美元 100日元 100港元 100歐元 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2022 2022 2022 2022 2022 1029 2022 2022 2022 洛陽師范學院本科畢業(yè)論文 1 2022 2022 2022 2022 國內(nèi)生產(chǎn)總值、進出口貿(mào)易總額、黃金儲備量表 年份 國內(nèi)生產(chǎn)總值 (億元 ) 進出口貿(mào)易 額 (億元 ) 黃金儲備量 (萬盎司 ) 1978 355 1280 1980 570 1280 1985 1267 1990 1267 1991 1267 1992 1267 1993 11271 1267 1994 1267 1995 1267 1996 1267 1997 1267 1998 1267 1999 1267 2022 1267 2022 1608 2022 1929 2022 1929 2022 1929 2022 1929 2022 140974 1929 洛陽師范學院本科畢業(yè)論文 2 2022 1929 2022 1929 2022 3389 2022 3389 2022 3389 洛陽師范學院本科畢業(yè)論文 3 為你提供優(yōu)秀的畢業(yè)論文參考資料,請您刪除以下內(nèi)容, O(∩_∩)O謝謝!??! 2 Many people have the same mixed feelings when planning a trip during Golden Week. With heaps of time, the sevenday Chinese 為你提供優(yōu)秀的畢業(yè)論文設(shè)計參考資料,請您刪除一下內(nèi)容, O(∩_∩)O 謝謝!??! National Day holiday could be the best occasion to enjoy a destination. However, it can also be the easiest way to ruin how you feel about a place and you may bee more fatigued after the holiday, due to battling the large crowds. During peak season, a dream about a place can turn to nightmare without careful planning, especially if you travel with children and older people. As most Chinese people will take the holiday to visit domestic tourist destinations, crowds and busy traffic are inevitable at most places. Also to be expected are increasing transport and acmodation prices, with the possibility that there will be no rooms available. It is also mon that you39。s misery, the cow told him to turn its hide into a pair of shoes after it died. The magic shoes whisked Niulang, who carried his two children in baskets strung from a shoulder pole, off on a chase after the empress. The pursuit enraged the empress, who took her hairpin and slashed it across the sky creating the Milky Way which separated husband from wife. But all was not lost as magpies, moved by their love and devotion, formed a bridge across the Milky Way to reunite the family. Even the Jade Emperor was touched, and allowed Niulang and Zhinu to meet once a year on the seventh night of the seventh month. This is how Qixi came to be. The festival can be traced back to the Han Dynasty (206 BCAD 220). Traditionally, people would look up at the sky and find a bright star in the constellation Aquila as well as the star Vega, which are identified as Niulang and Zhinu. The two stars shine on opposite sides of the Milky Way. Customs In bygone days, Qixi was not only a special day for lovers, but also for girls. It is also known as the Begging for Skills Festival or Daughters39。s Day! in shops, hotels and restaurants. But few young women will mark the festival with their boyfriends, or take part in traditional activities to pray for cleverness. A largescale of exhibition on the Silk Road opened to the public in the National Museum on Thursday. The exhibition displays more than
點擊復(fù)制文檔內(nèi)容
高考資料相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖鄂ICP備17016276號-1