number ratio 中文意思是什麼

number ratio 解釋
數字比
  • number : n 1 數;數字;〈pl 〉算術。2 (汽車等的)號碼;第…,第…卷,第…期〈通常略作 No (復數 Nos ),用於...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. The results showed in the paddy field the bacteria were predominated, in the dry land the proportion of fungi and actinomyces was distinctly higher than the other two kinds of soil, in the woodland abundant species of basidiomycetes were found ; the natural degradation speed was low, with the degradation the number and composition of microorganisms changed regularly ; when the c / n ratio was adjusted to 25 " ? 1, the degradation remnant ratio reduced 10. 67 % than the control

    結果表明,水田以細菌為主,旱地中真菌和放線菌數量最多,林地中有大量的高等擔子菌;秸稈自然降解較慢,土壤微生物也隨著降解的進行而呈現一定的變化規律;當調節c / n比為25 : 1時,秸稈的腐解殘留率比對照組下降10 . 67 。 2
  2. The results show that the chiral symmetry is restored partially when the strange matter density increases and 2 plays a very important role in the strange matter which may approach the constituents of the neutron stars. in additions, we can find that the strange matter density where the - condensate emerges is led to the ratio of the nucleon number to baryon number. and the occurrence of - condensate is only in certain density and gradually increases for higher density, so we guess that - field may be necessary to carefully consider for studying the neutron stars

    ( 3 ) -凝聚出現時所對應的奇異物質密度值與核子在奇異物質中的比例有關。另外,雖然本文對夸克凝聚的討論是在低密度的奇異物質中進行的,但是-凝聚的出現卻需達到一定的密度值並且隨密度的增大而遞增,所以我們推測場可能對于仔細研究中子星是一必要因素。
  3. Plants growing in the semi - fixed sand dunes, on the other hand, were less branchy with a larger number of first - year shoots which were longer, and grew faster ; their leaves were longer and wider with a low length / width ratio. the characteristics of the branching system and leaf dimensions of the plants in fixed sand dunes were rather intermediary between those of the above. the frequency distribution and their frequency in the herb layer the scrubs also varied with habitats

    丘間低地的黃柳灌叢當年枝平均長度增加緩慢,短枝條的比例較高,當年枝枝長頻度分佈峰值偏左,葉片短而狹,長寬比大;與之相比,分佈於半固定沙丘的灌叢當年枝平均長度增加較快,長枝條比例較高,葉片長而寬,長寬比小;固定沙丘上的上述特徵大致介於二者之間。
  4. Results inverse ratio between bacilli and cocci, the number of bacteria decrease were associated with kinds and treatment course of antimicrobial application, but fungus infection had no relation with kinds and treatment course of antimicrobial application

    結果糞便桿菌和球菌比例倒置、細菌計數減少與抗菌藥物應用種數及療程相關;真菌感染與用藥種數及療程無相關性。
  5. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先,文中將三相變壓器兩相涌流差流的二次諧波含量比和間斷角作為網路的輸入變量;其次,利用對原有bp網路訓練演算法基礎上的改進型演算法(即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率,與此同時隱含層神經元個數採用動態形式) ,通過樣本訓練使網路結構模型達到最優。
  6. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為,當信號集中的任一信號可表示為一系列已知信號的線性代數和時,信號集便構成可分解信號集,已知信號稱為基波信號;對可分解信號而言,基波系數構成一序列,當對指定的基波信號集分解唯一確定時,系數序列本身便是信號的一個表示;可分解信號采樣定理指出當基波樣值矩陣的秩等於基波數時,則由采樣點處的采樣樣構成的樣值序列必與基波系數序列一一對應,從而由該樣值序列構成的采樣必為完全采樣;可分解信號采樣定理中的推論指出,對信號集進行采樣,采樣頻率必須大於其信號分解的基波數與其對應時長之比;對有限帶寬信號,若基波信號為正弦信號時,由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  7. Again call the the ratio, namely the electric voltage of the enlarger s exportation signal with at the same time output s voice ratio for electric voltage, usually use the decibel number to mean. the equipments s letter the ratio is more our output of high enunciation is more little. by any large, letter the ratio is more big, and the elucidation is in the in the signal a the quantity for more smallly, voice returning putting is more high, otherwise contrary. letter the ratio should be generally not lower than 70 dbs, high the letter of the true box the ratio should attain 110 dbs are above

    又稱為訊噪比,即放大器的輸出信號的電壓與同時輸出的噪聲電壓的比,常常用分貝數表示。設備的信噪比越高表明它產生的雜音越少。一般來說,信噪比越大,說明混在信號里的噪聲越小,聲音回放的音質量越高,否則相反。
  8. A complex mixed - phase explicit microphysical parameterization scheme, which also be known as reisner 2 explicit scheme was developed for use in the ncar / penn state mesoscale model versions ( mm5 ). the single - moment schemes has additional variables for graupel and ice number concentration, in which the mixing ratio of cloud water, rain water, cloud ice, snow and graupel are predicted and number concentration specified

    Mm5中的reisner2方案是一種含霰的復雜混合相顯式雲物理方案,該方案包含了雲水、雨水、冰晶、雪和霰的混合比預報方程,同時對冰晶的數濃度作了預報。
  9. Moreover, the communication overhead and the percentage of complete diagnosis ( the ratio of the number of ports with diagnosed state to all ports ) of the algorithm in a leo / meo satellite network were evaluated by simulation

    通過模擬對演算法在一種雙層leo / meo網路中的通信開銷和診斷完全率(診斷出狀態的網路節點數在網路節點總數中所佔百分比)進行深入分析。
  10. ( 2 ) the results reveal that the pre - swirl ratio has a great influence on the flow field of the rotating disk, even greater than the rotational reynolds number, and an initial constant is induced in moment coefficient cm and average nusselt number nuave correlations, which does not exist in the case of without pre - swirl

    ( 2 )分析了預旋系數_ r對該旋轉盤腔流場的影響,定義了一個新的壓力系數c _ p ,該壓力系數c _ p沿徑向位置的變化對特定的旋轉雷諾數re _是一個常數。
  11. Voluntary termination rate is the ratio of the number of policies lapsed or surrendered during the year to the average number of policies in force and is a measure of the persistency of business

    保單自願終止比率是年內失效或退保的保單數目與有效保單數目平均數的比率,用以量度業務的持續性。
  12. In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication

    根據數字通信系統幾率的特性和微擾理論,建立了受激喇曼散射對通信系統誤碼率影響的理論模型,並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制,獲得了一些對實際光通信系統設計有參考價值的結論。
  13. Maintain correct ratio proportionate to number of rescuers

    按搶救人數保持正確速度。
  14. The most important feather in this design is that the number of motors have controlled only in two and de - scend the motors on the base. ( one motor used for turn motion of the base, whereby maked the manipulator motion in throughout space. another motor used to drive the manus ) excepted for adopped synchronization bell which have light weight and accu - rate gear ratio to reliefed relatively the weight of manipulator ' s device

    在本設計中除了採用材質輕而又傳動比準確的同步帶傳動可以相對減輕手臂傳動機構的重量之外,最主要的特點足將電機數量控制在兩臺(一臺用於底座的回轉運動,從而實現機械手在整個空間的運動;另一臺用於驅動手臂的運動)並將電機下置於底座。
  15. The specific gravity of a material is the ratio of its density to that of water and is therefore a pure number.

    物質的比重指的是物質的密度與水的密度的比值,所以是純數。
  16. University of science and technology have established the coo peration in longterm technology. t - he company has a batch of management, technology, pro ject group with a large number of prac - tical experience, technological advance, reliable stabi lity, performancecost ratio in system design and installation debug and aftersale service, etc

    公司擁有一批具有大量實踐經驗的管理技術工程團隊,在系統的技術先進性可靠穩定性性能價格比工程的設計安裝調試及售後服務等各方面都會讓用戶滿意。
  17. The format transcoding includes the frame size conversion, frame rate or field rate conversion, and interlaced / progressive video conversion. in this chapter, the frame size trancoding with arbitrary rational number ratio of l / m is put forward

    提出了變換比例為任意有理數l m時的空域任意尺寸轉碼,以及針對任意尺寸轉碼器的運動矢量重用演算法。
  18. The capillary vessel number in every unit area increased and the microvascular wall incrassated gradually with aging. the number ratio between capillary vessels and seminiferous tubules were on the trend of increase from 3 weeks to 3 months and decrease from 3 months to 12 months

    隨著增齡,單位面積內微血管數目逐漸增多;管壁也明顯增厚;微血管數與生精小管數的比值從初生後到3月齡逐漸增大,從3月齡到24月齡呈減小的趨勢。
  19. The test results show that : 1. under giving conditions, two explosives with the same atomic number ratio have similar combustion performances, 2. the pressed charge and the powder charge shows observably different combustion characteristics, 3. within 211. 7 m - 635. 0 m, decreasing the grain size may enhance combustion velocity

    通過對測試結果的分析表明,在特定條件下具有相同原子組成比例的炸藥,其燃燒性能相近;同種炸藥的藥柱和藥粉燃燒性能差異較大;在211 . 7 635 . 0 m范圍內, hmx 、 rdx顆粒越細,燃燒越快。
  20. Detailed emission and excitation spectral characteristics have been analyzed and discussed. in addition, spectral red - shift has been found in both charge transfer bands in nanocrystalline y2o3 : eu 3 + compared to the bulk material. the number ratio of s6 sites to c2 sites is also smaller in nanocrystalline y2o3 : eu3 + than that in the bulk one

    與體材料相比,兩種格位的電荷遷移帶在納米材料中都發生紅移;相對于c _ 2格位的電荷遷移帶, s _ 6格位的電荷遷移帶強度在納米材料中比在體材料中明顯降低。
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