pair comparison 中文意思是什麼

pair comparison 解釋
配對比較
  • pair : n （pl pair（s））1 一對，一雙，一套，（眼鏡等的）一副；（剪子等的）一把，（褲子等的）一條。 2 一...
  • comparison : n. 1. 比較，對照；類似。2. 【語法】比較法；【修辭學】比喻。
  1. In this paper, the author established the model of objective evaluate parameters of sound quality and develope d an objective evaluation system which could give quantitative objective evaluate parameters, such as loudness, sharpness, roughness, psychoacoustics annoyance ( pa ) etc. paper also describes an subjective evaluation investigation ir " " hich 16 subjects used pair comparison statistical evaluation methods to evaluate the noise character of room air - conditioners, the results show that there is generality good agreement between quantitative objective evaluate sound quality parameters and subjective evaluation. at the same time an example of application of the technique to improve the noise character of room air - conditioner is offered

    此外本文還介紹了一個應用聲質量評價技術改進kfr - 50hw / e2d空調器聲質量的實例，通過對空調器室外機管系、導流罩、出風網等進行改進，空調器的聲質量得到了明顯改善：在室外風量提高164m ~ 3 / h情況下，聲音響度下降16 ，波動強度明顯改善，尖銳度指標也略有下降，作者同時總結了不同改進措施對產品聲質量影響的方式，以期為今後的聲質量改進提供借鑒。
  2. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。
  3. Test methods for communication cable - test for frequency characteristic of attenuation coefficient of coaxial pair - comparison method

    通信電纜試驗方法同軸對衰減常數頻率特性試驗比較法
  4. Complete co i sequence, co ii sequence and co i + ii sequence were used for comparison. nucleotide composition and variation of each sequence fragment were analyzed using mega2. 1. genetic relationships among haplogenotypes were estimated based on the pair - wise matrix of sequence divergences by kimura ' s two - parameter

    第1180一1569位區段分子樹表明黃紋鱗石蛾與弓突鱗石蛾的親緣關系較近，與根據形態學建立的系統關系相吻合。
  5. Sequential quadratic programming ( sqp ) method is developed to schedule the time intervals between each pair of adjacent knots such that the total traveling time is minimized subject to the physical constraints on joint velocities, accelerations, and jerk. algorithm comparison of flexible polyhedron and sqp is done to show the good quality of sqp

    在速度、加速度、加速度變化率的約束條件下，使用二次規劃法獲得了運動總時間最短時的關節軌跡，將所用演算法與現有演算法對比表明了所用演算法的優化性。
  6. Comparison of codon pair usage in escherichia coli and saccharomyces cerevisiae genomes

    大腸桿菌與酵母基因組中密碼對使用的比較
  7. The simulation results shows that the performance comparison among ofdm system with two transmitter antennas and single receiver antenna, ofdm system with single transmitter antenna and two receiver antennas and ofdm system with two transmitter and receiver antennas is given, the result shows that the performance of ofdm with independent multi - antenna pair is better than that with single pair

    O ）提出了一種適用於多個獨立發射天線ofdm系統的導頻符號輔助的通道估計方法，給出了兩個天線發射單天線接收、單天線發射兩個天線接收和兩個天線發射兩個天線接收三種情況下ofdm系統的性能比較。
  8. When applied to sequences of values, automatically iterate over the sequences, looking for a pair of values that satisfies the comparison this process is called existential quantification

    ）施加於一系列值時，則會自動地對該序列進行迭代，尋找滿足比較（此過程稱作存在量化（ existential quantification ） ）條件的一對值。
  9. It means that the forming of a pair of opposite concepts helps to decide a certain value, and through comparison, makes them easy to understand

    確定了差異的兩項概念之後，在互相對比的關系中每一個概念就更容易理解了。
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