歐拉指數 的英文怎麼說
中文拼音 [ōulāzhǐshǔ]
歐拉指數
英文
euler number-
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。Rather than taking some 7, 000 years to colonize europe from africa, the reinterpreted data shows the process may only have taken 5, 000 years, scientist paul mellars from cambridge university said in the science journal nature on wednesday. " the same chronological pattern points to a substantially shorter period of chronological and demographic overlap between the earliest. modern humans and the last survivors of the preceding neanderthal populations, " he wrote
據路透社2月23日報道，來自劍橋大學的科學家保羅米拉斯在最新一期的英國自然雜志上指出，用放射性碳測定年代的一項最新數據表明，人類祖先從非洲進入歐洲后，僅花費了5000年的時間就取代了歐洲早期居民尼安德特人，而不是傳統的理論所認為7000年。3. the correlations are significant between sea - ice area index of kara barents and greenland seas, which locate on the north of the continent of europe and asian, and spring sand - storm ' s occurrence times in ningxia
3 、寧夏春季沙塵暴發生次數與歐亞大陸北部的喀拉海、巴倫支海、格陵蘭海冰面積指數之間有顯著的相關關系。In this paper, the authors used different gliding windows to perform euler deconvolution on magnetic profile data or 2 - d model, probed into the relationship between structure indices and solutions and the method for eliminating the poor solution on 2 - d model by mathematical statistics
摘要為了利用歐拉反褶積進行快速計算，提出了多個大小不同的滑動窗口進行多次覆蓋的演算法，對高精度磁測剖面逐點反復計算，並根據統計學原理從大量計算結果中剔除壞解，保留合理的解；還根據2 - d模型討論了結構指數與歐拉反褶積的結果的關系。Dr. morando soffritti, who led the study for the bologna - based european ramazzini foundation, also assailed the u. s. study, saying that it was an example of how " some researchers are ready to put themselves at the disposal of the industry " that produces sweeteners. he contended the u. s. research did n ' t distinguish between aspartame and other sweetener use and did not measure lifetime sweetener use
位於義大利博洛尼亞的歐洲拉馬奇尼基金會的莫蘭多索弗里蒂博士指責美國人在研究中並未對阿斯巴甜和其它種類的甜味劑加以區分，而且也沒有計算一個人終生食用甜味劑的數量。分享友人