length variation 中文意思是什麼

length variation 解釋
長度偏差
  • length : n. 1. 長,長度,長短。2. (時間的)長短,期間。3. (賽艇的)一艇的長度;一馬的長度。4. 程度,范圍。5. 【板球】球程;投至適當距離的球。6. 【語言學】音長。7. 一段,一節。
  • variation : n 1 變化,變動。2 變量,變度,偏差。3 【語言】語尾變化;變體,異體;【數學】變分,協變;順列;【...
  1. In the present study, aflp ( amplified fragment length polymorphism ) markers was used to examine population of abies yuanbaoshanensis in order to understand the level of population genetic variation and genetic structure. the result would help to evaluate its evolutionary potentiality and the degree of being endangered and could provide scientific basis for making right protection strategy. high - quality dna was extracted using ctab method from those tender leaves of forty - three fully - developed trees in population abies yuanbaoshanensis

    本研究選用一種高效的檢測遺傳變異的分子標記? ? aflp技術來分析元寶山冷杉種群的遺傳多樣性,旨在了解該種群在分佈區內的遺傳變異水平和遺傳結構情況;研究結果將有助於更清楚地認識這一瀕危類群的生存潛力和瀕危程度,而且可以為制定何種挽救和保護措施提供科學的依據。
  2. The variation of ultimate tensile strength with length for amosite crocidolite, chrysotile is shown in table 2. 10.

    鐵石棉,青石棉和溫石棉的極限抗拉強度隨長度的變化情況見表210
  3. The variation of ultimate tensile strength with length for amosite crocidolite, chrysotile is shown in table 2. 10

    鐵石棉,青石棉和溫石棉的極限抗拉強度隨長度的變化情況見表2 10
  4. On the basis of the others, according to the constructional feature of the constitution of the composed soil nails, the computation mode of the he strut frame made of composed soil nails was set up to analyze the distortion of the he strut frame made of composed soil nails when it is stressed. with the engineering data, the strut frame made of composed soil nails is analyzed with the program ababqus, and the effects of the distortion characters, the property of the deposition of the ground, the mechanical property of the soil nails, the variation of the length and the separation of the soil nails, and the diametric of the mixing piles on the strut frame made of composed soil nails, and the distortion property of the strut frame made of composed soil nails under different ground conditions

    在總結前人的研究成果下,針對復合土釘墻構造的特點,建立了模擬復合土釘墻受力變形的計算模型,並結合工程實測資料,運用大型通用有限元程序ababqus對復合土釘墻進行了有限元分析,詳細討論了復合土釘支護結構開挖過程中的變形特性、地面沉降性狀、土釘受力性狀;土釘長度變化、土釘間距變化、攪拌樁樁徑變化對復合土釘支護結構的影響;復合土釘支護結構在不同地基條件下的變形特性。
  5. The effect of groyne length and layout on water surface is analyzed in the paper. based on the results of simulation and experiment, the local energy loss of the flow due to the groyne is studied. consequently the surface variation and height of damming are also analyzed

    論文分析了丁壩長度與布置對水面線的影響,根據流場、紊動場模擬結果和實驗結果研abstract究丁壩造成的水流局部能量損失,並對水面變化和丁壩奎水高度進行了分析。
  6. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承載力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。
  7. Variation law of stem diameter and internode length aboveground of carex pseudocuraica ramets under different water content

    不同水分狀態下漂筏苔草無性株地上莖粗和節長的變化
  8. Root of backbone nerve around is in backbone ganglion is far side assemble, scabbard of stiff backbone film also closes subsequently for one scabbard, become backbone nerval velamen, namely the film outside nerve, because backbone ganglion is located in between vertebra kong shuiping, the length of backbone nerve root has variation consequently

    脊神經前後根在脊神經節遠側會合,硬脊膜鞘也隨之合為一鞘,成為脊神經的被膜,即神經外膜,由於脊神經節位於椎間孔水平,脊神經根的長度因而有變異。
  9. We compared the pollination characteristics of c. praecox and that of c. nitens. the results are as follows : ( 1 ) the main variation of c. praecox exists in the floral morphological characteristics, including the variation of the color of the interior perianth segments, the color and shape of the middle perianth segments, the number of pistils and stamens, the length of pistils and degradation of stamens, the floral shape and size, etc. c. praecox ' s florescence is from november to next march, mainly from december to next february

    實驗結果表明: ( 1 )蠟梅變異主要存在於花部性狀,這些性狀包括內被片顏色、中被片顏色和形狀、雌雄蕊數目、雌雄蕊變異、花型、花徑等,在南京地區,蠟梅的花期從11月到翌年3月,主要集中在12月到翌年2月之間,早花期品種和晚花品種較少。
  10. Zip fasteners. determination of variation in length when washed

    拉鎖.洗后長度變化的測定
  11. ( 2 ) both the circadian clock and the light signal may affect the circadian expressions of the mt1 and mt2 genes. the mt1 is more sensitive to variation with the structure of light and dark, but the mt2 is more affected by the time length of light exposure

    光照對scn及淋巴細胞中鐘相關基因晝夜表達節律的影響中文摘要血和血的晝夜節律性表達同時受生物鐘及光信號的影響,但mt受光制構成的影響較大,而航2受光照時間長短的影響較大。
  12. Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions

    細胞色素b基因序列變異分析表明: 1 )雁形目鳥類細胞色素b基因全序列長度一致,無插入和缺失:對照雞線粒體密碼子系統全序列能全部翻譯成氨基酸序列,無無義突變,全序列內部無終止密碼子; 2 )序列比對后1143加,含416個核著酸變異位點, 306個簡約信息位點,其中處於密碼子第三位的變異最大,第一位和第二位堿基的變異相對較小。
  13. Combination of additive effects and interaction effects can account for over 50 % of genotypic variation in spikelet number per spike ( sns ) and spike number per 50cm row ( snr ), and over 40 % in fertile spikelet number per spike ( fsns ), 1000 grain weight ( kgw ) and ear length ( el ), over 30 % in plant height ( ph ), over 20 % in sterile spikelet number per spike ( ssns ) and less than 10 % in grain weight per 50cm row ( gwr ) and grain number per spike ( gns )

    加性效應和互作效應聯合起來,可以解釋群體總小穗數和50cm行長穗數變異的50以上,結實小穗數、千粒重和穗長變異的40以上,株高的30以上,不孕小穗數的20以上,而只能解釋50cm行長粒重和穗粒數變異的10以下。
  14. The main results are summarized as follow : 1. gross morphology on the basis of field observation and examimation of herbarium specimens, the variation pattern of all the major gross - morphology characters in machilus from zhejiang was studied, and their taxonomic significance was evaluated. the results show that the most reliable characters for the delimitation of species are the features of the leaf, the tepal and the fruits. the secondly important characters are the length and position of the florescence

    形態性狀分析分析結果表明:潤楠屬植物的分類性狀主要有小枝、葉片、花序、花被片、果實等特徵特性,其中花被片、葉片、果實是潤楠屬的重要分類性狀;花序的長度及著生位置也是區分潤楠屬種間的重要標志之一;小枝的毛被在分類上具有第三位的重要性。
  15. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離,給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究,分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響,給出了相應的改進措施。
  16. High fiber length variation and immature fibers

    纖維長度差異大和未成熟纖維含量高。
  17. The possible factors including the deviation of temperature in length and breadth of rod, the changes of transfiguration resisting force under the changes of temperature, the adjustment of roll gap, the variation of rolling pressure, the changes of roller speed during dynamic adjusting press, the unmatched of seconds - flux under the dimension fluctuation of the coming sample and so on. the whole system was a closed loop which factors in it interacts each other

    可能的影響因素有:沿軋件縱橫向溫度變化、由溫度引起的軋件變形抗力變化、軋機輥縫值變化、負載變化、電機調節系統由不穩定向穩定過渡過程中軋輥轉速的變化(如咬鋼過程中的動態速降后的回復階段) 、來料尺寸波動造成秒流量不匹配等,整個模擬系統是各個因素相互影響關聯的一個閉環系統。
  18. Defining the pose parameters of the tool as the driving dimensions and the length of actuating limbs as the driven dimensions, the configuration of the simulation mechanism was varied correspondingly with the variation of the driving dimensions and the driven dimensions ( length of actuating limbs ) could be acquired and recorded

    給出了並聯機床機構簡圖和虛擬樣機實體模型,通過將數控代碼進行預處理,進行了並聯機床的虛實映射計算,即給定刀具位置和姿態的驅動尺寸、驅動桿件長度的被驅動尺寸,在裝配約束作用下驅動尺寸帶動整個機構運動,記錄桿件長度的被驅動尺寸,求解出桿長的值。
  19. With the increasing light adaptive time, the length of rhabdom trended to be longer and proximal pigment trended to spread more widely, but the variation was smaller in full bright light and short wave ( blue ) light conditions than that in long wave ( red ) light condition

    藍光照條件下感桿束直徑和長度變化與全光照相似,但近端色素的伸展幅度以藍光下條件最大,紅光次之,均大於全(色)光照條件。復眼結構對短波光(藍光)的敏感性高於長波光(紅光) 。
  20. In precision length measurement, the environmental factors will not only cause the length variation of the measured object, but also influence the characteristic of laser ’ s measurement system and other metrical tools. thereby the measurement result is considerably influenced and it makes the precise measurement no sense

    在精密長度測量中,測量環境溫度的變化不但會使被測件的長度發生變化,而且還會影響激光測量系統,量塊等測量工具的特性參數,給測量結果造成較大的影響,使精密測量失去意義。
分享友人