mean weight 中文意思是什麼

mean weight 解釋
平均體重
  • mean : vt 1 意，有…的意思，意思是…。2 意指，用…意思說；意味著，就是。3 （用語言、繪畫等）表示意思，表示...
  • weight : n 1 重量；體重；求心力，重力，（地心）引力。2 斤兩，分量，衡，計重單位。3 （壓東西的）重物。4 砝...
  1. The differences in mean birth body weight between 21 cases with cryotherapy and 57 cases without cryotherapy were statistically significant, but the differences in mean gestional age were not statistically significant. 21 cases ( 41 eyes ) received cryotherapy

    兩組早產兒在統計上平均出生體重有顯著差異而平均懷孕周數則無顯著差異。
  2. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  3. But the christian knight, well acquainted with the customs of eastern warriors, did not mean to exhaust his good horse by any unnecessary exertion ; and, on the contrary, made a dead halt, confident that if the enemy advanced to the actual shock, his own weight, and that of his powerful charger, would give him sufficient advantage, without the additional momentum of rapid motion

    可是這位基督教騎士完全熟悉東方戰士的習慣，並不想用任何不必要的動作使他的好馬過早疲憊，相反地他立刻把馬停住，自信如果敵人突擊過來，他自己的體重和他的強壯的戰馬的重量都會使他佔到優勢，而無需快速移動的沖力。
  4. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  5. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  6. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同原理，即相關聯的隨機方程動態地處于同一概率水準，採用模糊隨機加權線性回歸方法對試驗數據進行擬合，得到了三參數的應力-壽命模型均值和均方差曲線，從而求得在給定應力下各可靠度的疲勞壽命。
  7. The mean of measuring weight is very precision because there is no effect of the vehicle vibration, namely it is able to measure the vehicle weight accurately in the relax car ' s brake

    這種測重方式因在列車緩解時測重，不受車輛系統振動的影響，能夠較客觀地反映車輛的載重狀況，從而準確地實現車輛的空重車調整。
  8. Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified

    摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份，在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定，發現材料間性狀隸屬函數值具有豐富遺傳變異，以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標，從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型（ 1級）材料和臨河大粉青、寧海晚黃豆等乾旱敏感型（ 5級）材料。
  9. Abstract : starting from the definition of weight, the paper derives the relaton detween the change of the a priori unit weight weight mean error with the result of adjustment. lt is found that the change has influence only on the exploring effect of the posteriori unit weight mean error and gross error and the coordinated factor matrix, and no influence on all other adjustment results

    文摘:該文從權的定義出發，導出了先驗單位權中誤差的變化與平差成果的關系，發現其變化僅對驗后單位權中誤差、粗差探測效果和協因數陣有影響，對其它平差成果均無影響。
  10. That doesn ' t mean avoiding meat is the key to weight control, though

    然而，這並不意味著不食肉是控制體重的關鍵。
  11. The size distribution of composite latex particles is similar to that of polyacrylate / caco3 latex. their mean particle diameters gradually decrease with amount of polyacrylate / caco3 latex and caco3 / monomers increasing, but the mean particle diameters of the composite latex are much bigger than particle diameters of caco3 latex. molecular weight of pvc composite resin was determined by viscometer

    結果表明：復合膠乳呈現與種子粒徑相近的單峰分佈，其平均粒徑隨聚丙烯酸酯caco _ 3種子膠乳中caco _ 3加入量的增加而逐漸減小，但復合乳膠粒徑比種子粒徑要大很多；用粘度法測定了復合樹脂中pvc的粘均分子量。
  12. Medium variety f1 with veined skin, elliptic shape and superb flavour, central soluble solids content 11 %, mean fruit weight 9 kg, vigorous plant with enormous resistance and adaptability

    該品種屬于中熟花皮品種，果實橢圓形，品質佳。果實中心含糖量11 % ，平均單瓜重9公斤。植株生長旺盛，抗性較強，適應性廣。
  13. Doctor : no, but a thyroid problem would also mean your weight may go up and down

    醫師：不是，但是甲狀腺失調表示你的體重可能會起伏不定。
  14. The three spawning stocks had no significant differences in mean body length, mean body weight and mean age

    三個繁殖群體的平均體長、平均體重和平均年齡差別不大。
  15. The thesis states out the six tenet to confirm the secured target, then give out a method to ascertain the weight of each target by level anslysis, by the mean time, construct a mathematical model to evaluate the importance for the air - defence unit of the secured target and testify an application

    首先全面梳理了確定被保衛重點的六條依據，然後，在分析目標選定因素的基礎上，給出了利用層次分析法確定各個指標權重的方法，同時，建立了防空兵評價被保衛重點目標重要性的數學模型，並結合一個實例驗證了方法的應用。
  16. Making changes to your diet in order to lose weight does not necessarily mean eating less food but it does mean choosing different types of food

    改變飲食習慣以達到減肥目標，並不等於要減少食量，只不過是要選擇另一類的食物進食。
  17. The future of the universe is mainly determined by the mean density of mass - energy and the space - time curvature, while cosmological constant does not carry any weight among popular cosmological theories

    現在流行的宇宙論都不考慮宇宙常數，宇宙的未來完全由質量能量的平均密度及宇宙的時空曲率來決定。
  18. Cuhk has introduced this new surgery at prince of wales hospital for the management of morbid obesity. five patients whose mean body weight is 138kg and mean bmi 50 have undergone the surgery

    迄今，中文大學外科學系已為五名病態肥胖病人進行可調節式束胃帶腹腔鏡手術，他們的平均體重為138公斤，平均身體體積指數為50 。
  19. A good forest structure could improve the even degree and range of distribution obviously, and improve the porosity ; the fractal dimension ( fd ) and mean weight diameter ( mwd ) could sign the soil structure feature objectively

    良好的林分結構能明顯提高土壤粒徑的分佈均勻程度與范圍，改善土壤孔隙狀況；分形維數和重量平均直徑能比較客觀地表徵土壤結構特徵，是較為理想的土壤結構測定指標。
  20. The particle size distribution ( psd ) and mean weight distribution ( mwd ) after mechanical shaking treatment and chemistry dispersion treatment, were significantly different. the latter treatment enhanced the destruction though samples showed different susceptibility

    機械振蕩和化學試劑分散振蕩兩種處理后的團聚體分佈和平均重量直徑（ mwd ）均具有顯著差異，化學分散劑加劇了機械振蕩的破壞作用。
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