重根數 的英文怎麼說
中文拼音 [zhònggēnshǔ]
重根數
英文
multiplicity-
3. shading levels effected on the growth of cultivated plantlet from adventitious buds in plastic house. lower shading level could increase the root development including root number, fresh weight and dry weight
不同遮陰度對花葉玉簪品種不定芽組培苗煉苗的營養生長有較大的影響,低遮陰度能顯著增加植株的根數、根鮮重和根干重。The number a is called a double root of the polynomial function f.
數a稱為多項式函數f的二重根。The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施:根據本實驗室近來研製的吸波材料,建立了吸波材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸波性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單組分吸波塗層對重量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件,實現了多層多組分吸波塗層對重量輕的要求;使用權重系數變化法,實現了吸波塗層的分頻段吸波性能要求。Our results show that, during the evolution of a binary system, the system widens as it loses mass, and the orbital period increase, while orbital eccentricity remains nearly constant, which can explain the distribution regulation of orbital elements of normal g - k giant and barium stars and the distribution character of the heavy - element abundances of barium stars
計算結果表明,隨著星風吸積過程的進行,在星風質量損失階段系統軌道半長軸將增大,導致軌道周期增大,而偏心率變化不大,由此可以解釋普通紅巨星雙星系統和鋇星系統的軌道根數的分佈規律和變化情況以及鋇星重元素豐度分佈特徵。On the actual ward spot, because with the variety of the season and the day and night, the environment factors is variational and with the difference of the ward spot, the environment factors is also different, based on the frame of decision level fusion this paper apply neural network and fuzzy inference technology to achieving multi - sensors fire detection system, which can endue different sensors with different weight for adapting the variation of environment according to the actual things. we test this method applied to the multi - sensors fire detection system by simulating and attain the anticipative result
針對實際監護現場,環境因素會隨著季節以及晝夜變化而變化,而且在不同的監控現場,環境因素也不相同的問題本文在決策層融合的框架下,利用神經網路和模糊推理技術相結合來實現多傳感器火災探測,根據實際情況,賦予不同的傳感器不同的權重系數以適應環境變化,通過模擬驗證了此種方法應用於多傳感器火災探測系統可達到預期效果。Population thirty women undergoing larvh were included and compared with 30 women undergoing open radical surgery. the control group was matched for age, body mass index and disease stage
總體:有30例接受larvh的婦女和30例接受開放性根治手術的對照組婦女。對照組婦女在年齡,體重指數和疾病的期別均匹配。Based on analytical result, evaluation model on gas burning in drill hole is established by using analytic hierarchy process, weight coefficient of risky factors affecting gas burning is determined and hierarchy total taxis are made
結合平頂山十礦戊20160工作面的打鉆情況,對影響鉆孔瓦斯燃燒的危險因素進行了分析,根據分析結果建立了評價層次模型,運用層次分析法確定了影響鉆孔瓦斯燃燒各危險性因素的權重系數,並對權重系數進行了層次總排序。At first the paper begin to study the foundation of digital curved face and space meshing principle, introduce the basic knowledge of curve theory and curved face theory, explain the mathematical tools of vector turning and coordinate conversion in the paper ; analyse the motion and relative motion of rigid body, provide the condition of gear driving continuous contact and equation of conjugate meshing
論文首先從參數化曲面和空間嚙合原理基礎出發,介紹了曲線論和曲面論的基本知識,對課題研究重的數學工具矢量回轉和坐標變換進行了說明;分析了剛體的運動和相對運動,根據空間嚙合原理給出了輪齒傳動連續接觸的條件和共軛條件方程。In this paper, it s applications were explained from seven different fields, the common zeros of two polynomials, the multiplicities of roots and the discrimination of a polynomial, searching the equations suitable for a algebraic number, implicating a rational curve over the plane, computing the zeros of a nonlinear algebraic equation and gathering the discrimination surface of the sas in automated theorem proving on inequalities
本文從7個方面闡述了結式的應用,包括判斷2個多項式的公共零點,判定多項式是否有重根,計算多項式的判別式,尋找代數數滿足的方程,平面有理曲線的隱式化,非線性代數方程組求解和不等式機器證明中半代數系統邊界曲面的獲得等。Since the suggested method makes a significant improvement in wind speed, it is more suitable for wind field estimation over complex terrain than other methods which only concerns the effect of distance. then we calculate the wind change with evaluation, last we can conclude the wind abase the hilly terrain, we find the wind in westward and center plain is much smaller than other area. while the wind in northward hilly area is much bigger with the hilly arising. the wind of chongqing is the biggest period in spring ( april ), the smallest period in winter ( january ), the wind in summer ( july ) is bigger than its in autumn ( october )
本文利用重慶及其周邊地區的常規氣象站的1951 ? 1980年30年的風速平均資料,針對復雜地形風速診斷,以地理信息系統為數據處理平臺,根據重慶1 : 25萬dem數據,來獲得重慶市實際復雜地形的高程,提出了一種適合於起伏地形的權重內插方法,通過引入一個表示地形起伏變化程度的因子,構造了一種新的權重函數,來處理復雜地形上的風速,通過與只考慮距因素同反平內插方法比較發現,本方法更適合在起伏地形條件下使用;然後根據經驗公式在地形上進行計算,得出重慶地區起伏地形下的風速分佈;得出重慶市的西部、中部平原地帶風速較小,而北部山區隨海拔高度升高風速也較大;重慶市風速最大時期為四月份,冬季一月份最小,夏季(七月份)大於秋季(十月份) 。Applying the relevant analysis approach of gray system, the authors analyze and assess the average of 9 pasture species on the 12 indexes, including the total covering rate, the hight of grass, green period, reviving period, resisting disease, tiller, length and amount of root, weight of root, weight of leaf and stem, tasty impression, and study the application of gray analysis in the comprehensive assessment
摘要應用灰色系統中的關聯分析法對9種牧草的總蓋度、草層高度、根系人土深度、青綠期、越冬率、抗病性、分孽數、根長、根數、根重、莖葉干重、適口性等12項主要性狀進行了綜合評估,並討論了灰色分析法在選擇坡耕地水土保持牧草草種綜合評估中的應用。In or der to im prove the index precision, the keywords of classification on im age database is used for for m ing a three - level sem a ntics network, and then a unified fra m ework for sem a ntics and feature based relevance feedback in region - based im age retrieval is described, which is experim e nted by irrelatively adjusting the keywords and the weights in the distance m easuring
根據檢索要求,應用圖像庫的分類關鍵字建立圖像語義網路,採用一種綜合圖像中多數區域特徵的匹配策略,以及建立區域語義和低層特徵無縫結合的相關反饋檢索框架,通過不斷調整檢索關鍵字、檢索向量與距離測度中的權重系數的方法提高檢索準確度。The results revealed that the fresh legume total yield was con elated very significantly with the height of plants the number of node, the number of divarication, the length and the weight of per legume and the yield of per plant
結果表明:鮮豆莢總產量與主蔓長、主蔓節位數、單株分枝數、豆莢長、單莢重、單株鮮豆莢重有極顯著的相關性;四棱豆塊根的總產量與單株塊根數、單株塊根重有顯著的相關性。We tested the dreb1c ' s effect on salt tolerance. the result showed that overexpression of dreb1c could improve salt tolerance in arabidopsis. the transgenic plants could develop well in 100 mm nacl and 150 mm nacl whereas control plants grew slowly and was seriously retarded ; in 0 mm nacl, transgenic plant roots are stronger than wild type.
在含100mmnaci的ms培養基上脅迫十天後,野生型植株生長受抑制,較矮小;而轉基因植株生長正常;在含150nlmnacl的ms培養基上脅迫十天後,野生型植株生長受嚴重抑制,葉子捲曲,鹽害癥狀明顯,而轉基因植株仍能較正常生長;在不含naci的ms培養基上,轉基因植株根系發達,尤其側根數目明顯多於對照。Meanwhile, in light of the importance of every index in the evaluation process, their power coefficients are confirmed
同時,根據各個指標的重要程度確定了其權重系數。According to the size of the new information from the kalman filter, the fuzzy controller is used to estimate the weigh coefficient of the filter kalman plus, and the using rate of new information has been increased
根據卡爾曼濾波中新息的大小,利用模糊控制器實時地估計卡爾曼濾波增益的權重系數,增加新息的利用率。According to the engineering experiences and the correlation criteria, 13 kinds of factors are selected and each factor ' s subordinate functions are constructed in the first model, at the same time the two - stage index values of the effect factors are determined according to the statistical method. for the other model, the cohesion and the internal friction angles of the rocks are regarded as the fuzzy - random variables
本文根據實際工程經驗及相關規范,提出了13種影響壩肩巖體穩定的影響因素,其中包括10種定量因素和3種定性因素,並且構造了各因素的隸屬函數,還根據專家調查法和統計方法確定了各級因素的權重系數,利用二級模糊綜合評判法對壩肩巖體進行綜合評判。Fahp was employed to define computer non - functional conditions ' weight factor, and it determined the conditions ' weight number based on the expectation distance and hereby constructed the goal function
該方法採用模糊層次分析法確定條件權重,根據供求雙方的非功能性條件的期望值距離,確定條件權數,並據此建立目標函數。Tare weight : in accordance with the quantity and package type, ciq will sample ( 1 - 5 ) % bales from each lot of cotton and compute the average tare weight by weighted average
皮重:根據數量的多少、包裝類型的差異, ciq將從每批貨中隨機抽取( 1 - 5 ) %的包數,以加權平均確定平均皮重。For women classified as obese by body mass index ? a measure of weight and height ? the death risk was more than twice that of women with a normal body weight
根據體重指數(衡量體重與身高的指標)被認為是肥胖的女性死亡危險是正常體重女性的兩部。分享友人