次方法拉 的英文怎麼說
中文拼音 [cìfāngfǎlā]
次方法拉
英文
mff-
First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment
使用最小二乘方法擬合草圖基準平面,採用二次規劃方法提取拉伸方向和旋轉軸線,然後將數據點投影以獲取草圖數據,通過柵格劃分提取草圖邊界輪廓數據,再對這些邊界數據進行基於特徵點的分割,以直線和圓弧段擬合出草圖輪廓。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。House : if it wasn ' t for socrates, that raving untreated schizophrenic, we wouldn ' t have the socratic method ? the best way of teaching everything, apart from juggling chainsaws
如果不是因為有了蘇格拉底,那個語無倫次的未治愈的精神分裂患者,我們就不會有蘇格拉底方法教導一切的最好的方法,除了教你怎麼用電鋸殺人( 7 ) 。This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover
其次,分析了覆蓋件成形的特點和要求,同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等,並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬,用模擬結果優化拉延工藝方案,比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點,以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策,重點介紹工藝補充面和壓料面的設計及優化方法,因為拉延是沖壓工藝的關鍵工序,而工藝補充面和壓料面的設計是拉延工序的關鍵,對消除缺陷至關重要。The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced
首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法,其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法,然後介紹了斜拉橋施工模擬體系的形成。Then, it presents two methods of the pull - out tests to the different stress - strain characteristics for the geofabric and the geogrid
其次,針對土工布、土工格柵的不同拉伸變形性狀提出了兩種拉拔試驗方法,經試驗證明可行。Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years
本文採用1950 - 1999年北太平洋海表溫度( sst ) 、中國160站夏季降水和ncep再分析的歐亞500hpa高度場等資料,利用eof 、 svd 、小波分析、合成分析和相關分析等方法,在分析北太平洋海溫時空分佈特徵的基礎上,著重探討了海溫異常及其年代際變化對我國東部降水的影響,並對降水、高度場和海溫三者之間的關系進行了分析,以試圖尋找三者異常之間可能的聯系,主要結論如下: ( 1 ) 1976年前後,北太平洋海溫經歷了一次明顯的轉變,赤道中、東太平洋厄爾尼諾海區由冷轉暖,暖水范圍增大,中緯度西風漂流區海溫由暖轉冷;在這樣的年代際背景下,厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵:在76年前,拉尼娜事件發生頻率高,持續時間長,事件起始於負海溫距平;而76年後,則是厄爾尼諾事件發生頻率略高,持續時間長,強度增大,事件起始於正海溫距平。Secondly, the math model of the high - speed pm generator with a shielding is deduced. the method of how to analyze the electromagnetic field of the generator is introduced. and with the help of a kind of fem software, the parameters of a model machine are calculated and simulated, including the electromagnetic field, no - load voltage, single - side magnetic force, loaded torque and axial force
其次,對轉子帶防護罩的高速永磁發電機數學模型進行了推導,介紹了利用有限元法對電機磁場進行分析的方法,並運用有限元軟體對一臺樣機的參數進行了模擬,包括電機磁場分析、空載電壓波形、單邊磁拉力、負載轉矩以及軸向力等方面的內容。In force measurements, the static and dynamic tether forces of leukemia cell and mammary cancer cell membranes were detected. the tether forces of mammary cancer membranes in different conditions were compared. and the mechanical properties in the process of tether formation were discussed
在細胞膜力學性質的研究中,我們用細胞膜拉絲的方法,測定了單個白細胞、乳腺癌細胞在各種條件下的動態和靜態膜絲力,首次建立了細胞膜質庫的數學物理模型,對膜絲形成的力學機理進行了較詳細的探討。Conclusions are drawn as follows : ( 1 ) regulating the electromotor speed by adjusting the input voltage is easy to carry out, and it can be used in most of the oil fields ; ( 2 ) good energy - saving effect can be achieved under the condition of light load on the motor ; ( 3 ) the voltage cannot be regulated in a large range, and the optimal range of the voltage regulation is less than 10 % of the rated voltage
由此得出結論: ( 1 )調電動機端電壓調速方法簡單,一次性投資少,易於實現,對於一般的油田都適用; ( 2 )調壓調速只有在輕負荷時,即在負荷遠未達到滿負荷時才有一定的節能效果,適用於油田普遍存在的「大馬拉小車」的情況; ( 3 )電動機調壓調速的范圍不能太大,電壓調整的最佳范圍為額定電壓的10 %以內。Before use, check the safety rope and the outside of the device, try the lock two or three times the safety rope should sound " tap " when being pulled out at normal speed. it should be able to lock the rope if it is pulled with strong force, the rope should be retracted into the device after being released
2使用本品前應對安全繩外觀做檢查,並試鎖23次試鎖方法:將安全繩以正常速度拉出應發出「嗒」 「嗒」聲用力猛拉安全繩,應能鎖止。Before use, check the safety rope and the outside of the device, try the lock two or three times ( the safety rope should sound " tap " when being pulled out at normal speed. it should be able to lock the rope if it is pulled with strong force, the rope should be retracted into the device after being released
2 、使用本品前應對安全繩、外觀做檢查,並試鎖2 3次(試鎖方法:將安全繩以正常速度拉出應發出「嗒」 、 「嗒」聲;用力猛拉安全繩,應能鎖止。2. before using this product, it is required to check the appearance of safety rope and conduct trial lock for2 - 3 times trial lock method : it is easy to pull out roll - up safety belt, which muse be locked if it is pulled forcibly and can draw back into the device while loosening hand. if safety rope can not draw back into completely, just pull it out a little bit and that will be ok
2 .使用本品前應對安全繩外觀做檢查,並試鎖2 3次試鎖方法:慢慢拉出卷收安全帶輕松自如,用力猛拉卷收安全帶應能鎖止,鬆手時安全帶應能自動回收到器內,如安全帶繩未能完全回收,只需稍拉出一些安全繩即可。Abstract : this paper discussed two mathematical models for the problem of selecting an expansion plan over a planning horizon for an electric utility system. one of which is the model of optimal sequencing of power plants which is solved using lagrangian relaxation. another is the model of operation. the paper explicated concrete application of the lagrangian relaxation method in calculating block diagram for sloving the scheduling model and considered variable operating expense when calculating
文摘:運用系統工程方法,建立了火電站興建次序優化模型及火電站運行方式模型,採用拉格朗日鬆弛法研究火電站興建次序的優化,並給出了火電站興建次序優化模型的拉朗日鬆弛法計算.在優化計算過程中考慮了可變運行費用問題Taking the sucessful control experiences in previous cable - stayed bridge construction into consideration, the control principles and methods for gonghe bridge, that is controling the stress of both the top and bottom sides of main beam, regarding the second stretching as the hauling cable force method, are offered, and related construction procedures for all construction stages are designed
在總結前人對斜拉橋施工控制經驗的基礎上,針對公和斜拉橋施工控制提出了相應的控制原則和方法,即以「控制主樑上下緣應力」為主梁內力控制原則,以「二次張拉」為斜拉索索力控制的方法,並根據各施工階段的具體需要設計相應的施工步驟。Methods : sets of 3 liver biopsies, from 63 patients before and after 1 year of randomized lamivudine treatment and after 2 years of further open - label treatment, were assigned histologic activity index scores under code
方法:制定三次肝臟穿刺, 63名病人,任選, 1年前,一年後,兩年後(開封)拉米夫丁治療.三次肝穿的紀錄結果是編碼保密的The method for solving quadratic equation which combined arithmetic solution and geometry demonstration together by al - khw rizm probably is influenced by greek who praised highly geometry, but through analyzing carefully, his geometry seems different from " geometrical algebra " of euclid in essence, but is similar to chinese ancient mathematical method - out - in complementary - like principle
花拉子米討論一元二次方程時所採用的算術解法與幾何論證相結合的方法似乎是受希臘人推崇幾何學的觀念的影響,但經過仔細分析,認為他的幾何證明本質上區別于歐幾里得的「幾何代數」 ,而與中國古代的「出入相補原理」更相像。The discussion of the fourth kind of quadratic equation, the use of " rule of three ", the calculation of number r and some terms algebra can be found in indian classics introduced to arab and some of these mathematical knowledge maybe comes from china ( such as " rule of three " )
花拉子米對第四種二次方程的討論,使用的「三率法」 ,對圓周率的計算以及某些術語可以在早期傳入阿拉伯的印度典籍中找到出處,而在這些數學知識中有一些可能是遠源於中國的(比如「三率法」 ) 。According to the re - attacking property of the drone using the method of zero times sample test, the loss of the drone in flight test is decreased. after the data of hitting point is gotten in test, the bayesian method, which is based on the data of the test and the information of the simulation before the test, is used to analysize the precision guidance
對飛行試驗的靶試結果的分析,採用了兩種方法:零次靶試和小子樣靶試,零次靶試利用了無人機可拉起后進行重復攻擊的特性,以減少試驗損失,在得到落點數據后,運用bayes方法對落點信息和模擬信息進行分析,獲得其制導精度。The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power
採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方法,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸鹽的結構特性和電化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在堿性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方法(高溫固相反應、次氯酸鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。分享友人