first high last low 中文意思是什麼

first high last low 解釋
先高后低優先服務
  • first : adj 1 最初的，最早的。2 最上等的，第一流的。3 基本的，概要的。4 高音（調）的。n 1 最初，第一；第...
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • last : vi 繼續；持久，耐久，經久。 The storm will not last long 暴風雨不會持續很久。 if my health lasts ...
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  1. First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field

    首先，對液體介質的靜電霧化機理作了初步的探討，理論上分析了液體霧化過程中射流區、波紋區、霧滴區和霧滴擴散區;然後對液體荷電方法進行了研究分析，對于高電導率的液體，場致荷電和接觸荷電可以使其霧化，而對于電導率較低的絕緣液體，需用浸潤電極荷電和感應荷電方法使其充分帶電;最後，根據前面的研究分析，設計和組裝試驗裝置，在同一環境下對煤油、乳化劑、酒精三種不同液體介質進行高壓靜電霧化試驗，並對試驗結果進行分析處理，總結出液體靜電霧化與液體表面張力、電導率和粘度的關系及電壓對液體靜電霧化的影響等，得出高壓靜電場中液體霧化的一般規律。
  2. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  3. On days around neap tides when the moon is at its first or last quarter, however, tidal ranges become small and sometimes only one high and one low tides are observed

    每個月的上弦或下弦，潮差卻變得很小，這個時期叫做小潮。有時在小潮期間，每日只有一個漲潮和退潮。
  4. The first algorithm is low precise but simple and credible, the second is high precise but complex and incredible. 4 ) developed four kinds of methods aimed to improve precision and credibility of navigation system. the first is parallel sandia inertia terrain - aided navigation ( psitan ) ; the second is tercom + sitan, it can restrain two important disadvantages of sitan ; the third is particle filter - based terrain - aided navigation ( pftan ), the particle filter can reduce the error of navigation ; the last is tercom + pftan, where tercom is looked as monitor to ensure the credibility of navigation system

    採用并行sitan方法來提高導航精度，並克服奇異值問題；提出了tercom + sitan方法，綜合利用兩者的優點，在保持sitan導航精度的前提下，有效地克服了sitan的兩個缺點；提出了一種基於連續蒙特卡洛濾波（常被稱為particlefilter ）的地形匹配演算法（ pftan ） ，有效地克服了利用sitan時由於地形隨機線性化帶來的誤差，使導航精度有較大的提高；提出了tercom作為監視器的地形輔助導航思想，並將其應用到連續蒙特卡洛方法上，較大地增加了系統的可靠性和精度。
  5. If the host pulls clock low before the first high - to - low clock transition, or after the falling edge of the last clock pulse, the keyboard / mouse does not need to retransmit any data

    如果在第一個高- >低時鐘跳變時， （或者在最後一個時鐘脈沖的下降沿之後）主機將時鐘拉低，鍵盤/鼠標不必重新傳輸任何數據。
  6. The real runoff time series was divided into the high frequency item and the low frequency item with the help of the wavelet analysis first, then the two items were modeled by chaos theory and the stepwise regression algorithm, at last the output of the two models were added together.

    論文首先藉助小波分析，將實測徑流時間序列分解為高頻項和低頻項兩項，其次對這兩項分別用混沌理論和逐步回歸理論建模，其中混沌預報藉助基於自組織法求解的的volterra級數來完成，然後將兩者結果疊加起來。
  7. In the basis of present technology, we provide our method. with our method, we first extract several low visual feature of the image, such as color, texture etc, and then we fuze the feature into a high dimensional vector ; sencond, we analyze the vector with pca method, which reduce the dimension of the vector ; and last we use the vector to classify the image

    該方法的基本思路描述如下：首先，提取圖像的多種視覺特徵（如：顏色、紋理等） ，經融合得到一個高維矢量描述；然後，對該高維矢量描述作pca （ principalcomponentsanalysis ）分析，以獲取其中的主元，降低維數；最後，以降維后的矢量描述為基礎，用於圖片的分類系統。
  8. With the development of reducing noise technology and the advent of quieter targets, sonar faces up to the challenge of low signal - to - noise ratio detection while high detection performance is demanded by weapons ' s increasing range. moving target detection is two of first and last of sonar " four main tasks : detection, loacalization, classification and tracking / motion analysis of targets, which is the base of other two functions

    隨著降噪技術的發展，安靜型目標的出現，聲納技術面臨低信噪比的挑戰，武器射程的增加又對聲納提出了更高的要求，關繫到聲納的四大功能（檢測、定位、識別和跟蹤/目標運動分析）第一和第四個的運動目標檢測任務重大，因為它對其餘兩個起著基礎性的指導作用。
  9. China national cereals, oils, & foodstuffs imp & exp corporation ( hereinafter referred to as cofco ) is a national import and export enterprise, which has encountered tougher competition and lower margin in the import and export trade market in recent years to enforce its competitive advantages and make the best use of its core competence in agricultural products, cofco has extended its value chain from low value - added agricultural product business to high value - added food processing industry this paper centers on an in - depth analysis of wine business, vegetable oil business, flour business, and beverage business of cofco, and proposes specific strategic measures for cofco to take in the future competition there are three parts in this paper the first part is the outline of cofco and its current operations in food processing industry in general, the second one focuses on an in - depth analysis of four major segments of cofco ' s food business operations, and the last part discusses the trends of international food business industry and puts forward strategies of top priorities for cofco to achieve its goal in the food industry to become the most influential food enterprise in asia - pacific region, and the main channel for foreign investors entering into china ' s food industry

    中糧集團利用自身在糧油等農產品方面的優勢，延伸價值鏈，斥巨資投入到食品加工業。論文對中糧集團葡萄酒、食用油、麵粉、飲料等四大食品加工板塊進行了重點分析，並提出了下一步戰略實施設想和相應的對策。論文分為三個部分，第一部分為中糧集團和食品加工業概況；第二部分為中糧集團食品加工行業結構分析及對策研究，在對葡萄酒、食用油、麵粉、飲料等行業的特點、中糧集團在各行業經營現狀闡述的基礎上，著重對該行業發展趨勢、中糧集團在各個行業中的優劣勢、機會與威脅進行了深入的分析和研究；第三部分論述了國際食品行業和中糧集團食品行業的發展戰略，在闡述國際食品行業發展趨勢的基礎上，提出了中糧集團食品行業戰略目標： 「成為中國乃至亞太地區最大的食品公司和外國投資者進入中國食品工業的主要渠道之一」的實現途徑。
  10. First point is about the problems that private enterprises meet in self - development, including structural conflict of their products, non - standard management, lack of talent and experience in the field of foreign trade, low technical content in products, and hardness to get needed information etc. many private enterprises adopt the behavior of pursuing benefit of short period as export with low price, serve with shoddy tort and so on, all those may disturb the export market and lash the normal trading order. the last one is the restriction factor of external operation environment. as the entrance threshold of foreign trade field is high, resonance like professional association does not play a deserved role, the export encouragement policy of government is unsuitable, the land resource has become increasingly intense, and problems still exist in formulating and implementing of p artial laws and regulations

    首先是民營企業在自身發展中遇到的問題，包括結構性矛盾突出、經營管理不規范、外貿的人才和經驗匱乏、技術水平落後、難以獲得所需信息等，不僅制約了企業自身的發展，也對正常的外貿經營秩序造成了沖擊；其次是外部經營環境的制約因素，如外貿領域的準入門檻較高、行業協會等中介組織沒有發揮應有的作用、政府的出口鼓勵措施政策不當、土地資源日益緊張、部分法律法規的制訂和實施存在問題。
  11. In a tidal cycle, waglan island is typically the first to experience the high low tide while tsim bei tsui is generally the last

    在一個潮汐周期內，通常漲潮和退潮會首先在橫瀾島出現，而尖鼻咀則比較遲。
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