occurrence frequency 中文意思是什麼

occurrence frequency 解釋
出現頻率
  • occurrence : n. 1. （事件的）發生，出現，有；【礦物】存象，（礦床等的）埋藏；產地。2. 遭遇，事件，事故。
  • 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 median is not as highly influenced by the frequency of occurrence of a single value as is the mode, nor is it pulled by extreme values as is the mean.

    中位數既不象眾數那樣受到數值出現次數的影響，又不象平均數那樣隨著特殊值的大小而偏移。
  2. The study shows that through the establishment of risk management system at each stage of engineering insurance, it ma > attain the goal of reducing risk occurrence frequency and loss degree, decreasing the compensation rate, maintaining the justice and benefits of the two party, realizing the security and economy, and reducing the systematical risk of the whole engineering insurance. therefore, the development of engineering insurance can not only meet the requirement of modern construction but also benefit to the capability building of insurance company to develop engineering insurance, resist the adventures, improve international competition, and realize the sustainable development of engineering insurance industry eventually

    研究表明，通過對工程保險各個環節風險管理體系的構建，可以達到減少工程風險發生頻率和損失程度，降低保險人的賠付率和被保險人的自留損失，維護保險雙方的公平和利益並實現保險的安全性和經濟性，從而降低整個工程保險的系統風險的目的，使工程保險既能滿足現代工程建設轉嫁風險的需要，又有利於提高我國保險公司工程保險業務的承保能力、抗風險能力和國際競爭力，最終實現工程保險業的可持續發展。
  3. Preliminary studies on the poly - embryo seedlings occurrence frequency and types of leek

    韭菜多胚苗發生頻率及其類型的劃分
  4. In the 1980s, red tides were a very serious problem for tolo harbour. since then, the frequency of their occurrence has been greatly reduced, as have general levels of nutrients and organic and other inorganic pollutants in many areas of hong kong s marine waters

    八十年代，紅潮曾是吐露港經常出現的嚴重污染問題，時至今日，紅潮的發生率已大幅降低，本港大部分海域的營養物包括有機污染物及無機污染物的水平亦顯著下降。
  5. Abstract : we have studied the polarization beats spectroscopy with phase - conjugation geometry in a cascade three - level system. it was found that the accuracy for the energy - level difference measurement is determined by the homogeneous linewidths of the optical transitions. under the condition for the occurrence of beating, the frequency difference of the beat between two independent light sources could exceed the laser linewidth. the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth

    文摘:研究了級聯三能級系統中的相位共軛極化拍頻光譜術.發現其對能級差的測量精度決定於光學躍遷的均勻增寬.在符合拍頻條件時，兩獨立光源拍頻的頻差可以超出激光線寬，激光絕對頻率的測量精度可達到與激光線寬同一量級
  6. The frequency of occurrence of economically active, as opposed to economically inactive characters, was related to gender, age and ethnicity

    ：相對于經濟不活躍的人士，經濟活躍的角色被提及的頻密程度，與性別年及種族有關。
  7. On the other hand, there has been very little change in the daily maximum temperature. the frequency of occurrence of very hot days ( 33. 0

    另一方面，日最高氣溫則沒多大變化，酷熱日數（天文臺總部錄得氣溫33
  8. On the other hand, there has been very little change in the daily maximum temperature. the frequency of occurrence of very hot days 33. 0

    另一方面，日最高氣溫則沒多大變化，酷熱日數天文臺總部錄得氣溫33 . 0攝氏度或以上的出現率大致維持在每年11天左右。
  9. The climate factor distribution coincide very well with the dust storm occurrence frequency distribution, which suggested that the climate changes induced the dust storm downward trend in whole during these 40 years in china

    結果發現氣候因子分佈與沙塵暴的發生頻次分佈對應性很好，提出氣候變遷導致在這40年中國沙塵暴整體上呈現出下降趨勢。
  10. The exact content of the interactions and frequency of their occurrence is not addressed

    交互的準確內容和它們發生的頻繁程度並不強調。
  11. Exponential relationship of the sand - dust storm occurrence frequency and the duration time

    沙塵暴次數和持續時間呈指數關系
  12. Exponential relationship of the sand - dust storm occurrence frequency and the duration time : n a10 - bt

    沙塵暴次數和持續時間呈指數關系n a10 - bt
  13. The power circuit of the system adopts the voltage frequency conversion structure of ac - dc - ac, and is composed of the commutation circuit, filter circuit and intelligence power module ( pm15rsh120 ). control circuit takes the dsp chip tms320lf2407 as core, including the pwm signal occurrence circuit, detect circuit of stator current and direct current voltage of generatrix, drive circuit of intelligence power module, detect circuit of speed, protect circuit of system etc. all of this builds the full digital vector control system of asynchronous motor

    該系統的功率電路採用電壓型的交-直-交變壓變頻結構，由整流電路、濾波電路及智能功率模塊ipm （ pm15rsh120 ）逆變電路構成;控制電路以dsp晶元tms320lf2407為核心，加上pwm信號發生電路、定子電流檢測電路、直流母線電壓檢測電路、智能功率模塊驅動電路、速度檢測電路、系統保護電路等，構成了功能齊全的異步電機全數字化矢量控制系統。
  14. Routine audit : to insure the effective implementation of internal control system in our company, in every years end, the audit unit should draw up annual audit program based on the properties of top 7 cycles, the occurrence frequency of companys transactions and the operations of practices such as the complexity and easiness of operations, and carry out according to this plan

    ：例行性稽核：為確保公司內部控制制度之有效實行，稽核單位於每年年底，依據七大循環之特性及公司交易發生之頻率及作業之繁易等實務之運作，擬定年度稽核計劃，並依計劃執行之。
  15. The summer typical persistent circulation patterns over eurasia mid - high latitude have obvious decadal variance : the occurrence frequency of type c course is relatively high from the 1960s to the 1970s, and the occurrence frequency of type e course increased while the type c course has not appeared in the 1980s, and two kinds of course were about equal frequently in the 1990s

    夏季歐亞中高緯典型持續流型有明顯的年代際變化， 60 、 70年代c型過程出現頻數較高， 80年代e型過程出現頻數增高而c型過程未出現， 90年代兩類過程頻數相當。即1980年前後有明顯的差異。
  16. From 1959 to 2000, the occurrence frequency of summer typical persistent circulation pattern e is about equal to that of type c, and the occurrence frequency of type w is relatively less ; the occurrence frequency of pattern e and c ' s course is most high in june ; the course of pattern e and c exist certain decadal variance or phased characteristic

    1959 ? 2000年夏季歐亞中高緯500hpa持續流型e 、 c型發生頻數相當， w型發生頻數相對較少； e 、 c型過程在6月發生頻次最高： e 、 c型過程的發生存在一定的年代際變化或階段性特徵。
  17. But along with the population increase, economic development and natural condition change, the dry and water deficient situation becomes increasingly serious, the drought occurrence frequency, scope and impacting area expand successively, in the meanwhile, some structural and systematic obstacles existed in long - term drought fighting work have emerged and the drought fighting work faces unprecedented trial

    但是隨著我國人口增加，經濟發展和自然條件變化，我國乾旱缺水的形勢日益嚴峻，旱災發生的頻率、范圍和影響的領域不斷擴大，同時，長期抗旱工作中存在的一些體制、制度性障礙也顯露出來，抗旱工作面臨前所未有的考驗。
  18. We find that when the band width is suppressed to be much smaller than the field frequency, dynamical localization can exist in the system. the corresponding regions for the occurrence of dynamical localization in the parameter space can be found in the phase - diagram

    發現當帶寬被壓縮到比電場頻率小很多時，即系統的準能譜幾乎不存在色散時，動力學局域化仍然可以存在，相應的動力學局域化發生區域可以在相圖中找到。
  19. The results from analysis of the ecological diversity in the field soils and polluted soil showed that the frequency of occurrence of the genus glomus was highest and acaulospora was the second most abundant genus

    分析不同土壤條件下am真菌的多樣性特點及其影響因素發現，重金屬污染土壤和普通農田土壤中均以glomus屬的頻度最高。
  20. With the occurrence of multi - standards and poly - systems in wireless communication system, the increase of the requirement of intercourse and the lacking of radio frequency spectrum resource, the traditional wireless communication system cannot be adapted to the relative development

    在無線通信系統多標準、多體制以及無線電頻譜資源的缺乏背景下，對無線通信系統的互通性要求增加，傳統無線通信系統已難以適應發展的需要。
分享友人
分享到 Line

分享到臉書