percentage frequency 中文意思是什麼

percentage frequency 解釋
百分比頻率
  • percentage : n 1 【數學】百分法；百分數；百分比，百分率。2 比例，部分。3 【商業】手續費，傭金。4 〈俚語〉賺頭...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  1. 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。
  2. After that, a survey was conducted among the students. i utilized the spss win program to obtain the various frequency, percentage, standard deviation, and divergence analysis statistics. based on the result of my analysis, i then presented my proposal for animproved plan and alternative policy of the current education

    利用『 spsswin10 . 0 』統計處理程序表，對問卷調查材料實行了頻度調查，計算了百分比、標準偏差，進行了分散分析，並分析了其結果，以其結果為基礎，提出了改善老人教育的政策措施。
  3. The percentage of plate types ranges from 30 to 90 depending upon hoarfrost frequency.

    盤型的百分率隨白霜頻率而異，自30到90。
  4. The percentage of plate types ranges from 30 to 90 depending upon hoarfrost frequency

    盤型的百分率隨白霜頻率而異，自30到90 。
  5. The percentage of rooted leaf explants was 92. 5 % 21 days after infection, but the inducing frequency of hairy roots was 53. 8 %. hairy roots were highly branched and had a plenty of white root hairs

    其中轉化毛狀根的頻率為53 . 8 ，毛狀根呈密集叢生狀、多分枝，被大量白色細絨毛。
  6. Secondly, because behavior is the display of psychological actions, by noting down and anglicizing visitor behaviors, we can get the rules of visitors ’ psychological actions indirectly. this paper uses statistics method and spss software to analyze the survey date. in the past, most of the museum visitor surveys showed its results in the form of percentage and frequency

    在分析方法上，本研究引入了統計學的分析方法和spss統計軟體對資料作卡方檢驗、方差分析、線形回歸等統計學上的分析，揭示不同性別、年齡、受教育程度、職業的觀眾在心理和行為上的不同特徵，從而找出影響觀眾心理和行為的因素。
  7. The frequency analysis results show conclusions as follows : 1. the relative valid spectral power is declined with the volume percentage of inclusions in terms of exponent curve and the tendency of negative direction is same to that of forward direction

    當ly12鋁合金細小夾雜物（小於0 . 16mm ）的體積百分數從0 0 . 35時，在35 50mhz的頻帶范圍內，超聲波形的有效譜功率按近似指數曲線快速下降，沿相反方向檢測時其變換趨勢相同。
  8. The wrap - up ratio is the ratio of the sine of the maximum scan angle to the percentage change in frequency required to scan

    綜合比率是最大掃描角的正弦與所需的頻率變化百分率之比。
  9. By integrating the characteristics of road traffic management in china, three indexes are selected, of which the evaluation standard is determined with cumulated percentage frequency

    結合我國道路交通管理的特點，根據理論與實踐相結合的原則，對諸多指標進行選擇，篩選出適合我國國情的道路交通安全3項評價指標，並運用累積百分頻率法確定了評價標準。
  10. This can increase efficiently the signal - noise ratio of seismic record, under the general situation, the signal - noise ratio of big scale is small, because low frequency surface wave in big scale is more serious, the correlate of signal is smaller, so weighting stack can press efficiently low frequency surface wave, comparative promote the percentage of the effectual signal in constructing the signal

    這樣可以有效地提高重構后地震剖面的信噪比，一般情況下，大尺度的信噪比都較低，因為大尺度內的低頻面波比較嚴重，信號相關性較小，這樣做加權可以有效地壓制低頻面波，相對地提升有效信號在重構信號中的百分比。
  11. According to the radar - absorbing model, the performance of rams of various absorber - volume - percentage with various frequency and the radar obsorbing performance of which in various thickness is predicted. according to the radar - absorbing model, the prerequisites of microwave electromagnetic parameters and the border curves for a single - layer homogeneous absorbing coating backed by a perfectly conducting plate to produce zero specular reflection are obtained by the steffensen speedup approach to solve the complex transcendental equation

    以吸波模型為依據，用計算機求解了單層均勻各向同性吸波材料的阻抗匹配條件，通過數值模擬得到了吸波材料阻抗匹配時電磁參數邊界曲線的數值模擬等式和阻抗不匹配時寬帶吸波材料電磁參數的合理搭配規則和頻散特性。
  12. Frequency regulation frequency regulation is a measure that states the difference between no - load and full - load frequency as a percentage of full - load frequency

    頻率調整率頻率調整率是指空載和滿載之間頻率的差別與滿載頻率的百分比。
  13. Tantalum oxide films were prepared by self - assembled middle frequency a. c. sputtering system. the contents and microstructure of the films were studies as the functions of oxygen percentage in sputtering gases and substrate temperature

    論文採用自行組裝的中頻交流磁控濺射設備制備了氧化鉭薄膜，考察了濺射氣體中氧氣含量、基底溫度等對薄膜成分、結構的影響，並且通過優化工藝參數得到了接近化學計量比的氧化鉭薄膜。
  14. 2 within three thresholds for bilirubin absorbance ( 0. 14 > 0. 2 ( k 0. 25 ), the total, upright, supine, meal and postprandial period were analyzed with the parameters as follows, the percentage time of bilirubin absorbance threshold ( 0. 14, 0. 20 0. 25 ), reflux frequency, long reflux frequency, longest reflux time, maximum, mean and median value of absorbance. 3 the simultaneous changes of gastric ph and bilirubin absorbance value were analyzed to describe the relationship between them

    2計算0 . 14 、 0 . 20和0 . 25三個界值時膽紅素吸收值（ bilirubinabsorbance ， ba ）界值的時間百分比的均值、標準差、中位數、第25 、 75 、 95位數；總、立位、臥位、餐時和餐后等各時段ba界值的時間百分比、反流頻率、長時間反流頻率、最長反流時間以及膽紅素吸收值的最大值、平均值和中位值，以及ph 4的時間百分比，從而描述生理性dgr的發生特點。
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