This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied
本文利用ncep / ncar再分析逐日500hpa高度場等資料，選擇烏拉爾山、
貝加爾湖、鄂霍次克海這三個地方作為關鍵區，以夏季歐亞中高緯度持續時間長（時間尺度屬于中間時間尺度，即10 ? 30天之間） 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象，定義了一個夏季歐亞中高緯流型指數，在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法，研究了典型持續流型的氣候特徵，分析了流型指數的年代際變化，以及對應不同階段、不同流型的降水場、
加熱場、海溫場等的主要特徵。
Panama city reuters - miss dominican republic amelia vega, a six - foot 1. 83 - meter tall 18 - year - old high school student, won the miss universe 2003 title at a sparkling ceremony in panama city on tuesday night, beating a field of 70 other pageant queens with her charm and charisma
巴拿馬路透社18歲的多明尼
加小姐阿米莉亞
貝加在周二晚巴拿馬市舉行的環球小姐總決賽上榮獲冠軍稱號。身高6英尺阿米莉亞
貝加小姐憑借自己的魔力和超凡魅力超過了其他70個選手。
As a special group of ewenki ethnic minority, with a population of 232, they speak olguya dialect, a branch of manchu tungus language family. according to the historical documents, as early as back in 2000 bc, their ancestors already lived in wender forest tundra, over of nibuchu river, north - east part of out baigal lake and baigal lake from 16th century to the mid - 17 century, following wild deer, they came to the area near weile river, branch of lena river and weitmu, north - west of baigal lake. during 18th century, along silik river, this group of people reached big sin ' an mountain. the rich natural resources there became the sources of their livelihood
馴鹿鄂溫克人是指居住在內蒙古自治區呼倫
貝爾市所轄根河市敖魯古雅鄂溫克民族鄉的鄂溫克人，史稱「使鹿部」 ，使用的語言是滿?通古斯語族鄂溫克語敖魯古雅方言，人口在2001年鄉統計為232人，是我國鄂溫克族中的獨特群體。據史書記載，馴鹿鄂溫克人的祖先在公元前2000年就居住在外
貝加爾湖和
貝加爾湖東北部尼布楚河上游的溫多山林苔原高地。到了16世紀至17世紀中葉，他們追隨野生馴鹿至
貝加爾湖西北列拿河支流威呂河和維提姆河一帶。
They call it the baikal sea and sing songs about it.
他們把它叫作
貝加爾海。並為之謳歌吟頌。
North of these mountains lies siberia-and lake baikal.
西伯利亞和
貝加爾湖就位於這些山嶺的北方。
Lake baikal is something of a miracle to the russians.
對俄國人來說，
貝加爾湖頗有些神秘的氣氛。
Commercial fishermen catch three main types of fish in lake baikal.
在
貝加爾湖，商業捕魚人員主要捕獲三種類型的魚。
On the map, lake baikal appears as a striking feature, an enormous lake in the middle of asia.
在地圖上
貝加爾湖引人注目，它是位於亞洲中央的一個巨大湖泊。
We walked up the river valley, then climbed the mountains to look at the extraordinary forest that surrounds lake baikal.
我們沿著河谷自上走去，然後登山觀賞
貝加爾湖周圍迷人的森林。
The cold wind from lake baikal is blowing hard
258從
貝加爾湖吹來的冷風在呼嘯。
Lake baikal is the deepest of all the lakes in the world
貝加兒湖是世界上最深的湖泊。
