class of-precision 中文意思是什麼

class of-precision 解釋
精度等級
  • class : n 1 階級;社會等級。2 學級；班級，年級，級，班；組；（有組織的）講習班；〈美國〉同年畢業班；【軍事...
  • of : OF ＝Old French 古法語。
  • precision : n 精密，精確性；嚴格；精密度；【修辭學】精確。 arms of precision 裝有瞄準儀的槍炮。adj 精確的，精...
  1. Oem receivers for navigation and survey, high precision fathometer and assoc - iated gps glonass gsm vhf bdstar integrated antenna, under the instruction of our corporate culture - " honesty, strive ; first - class "

    型gps oem板高精度測深儀及相關的gps glonass gsm vhf北斗等組合天線。
  2. Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips

    精確的監測有助於提高鍋爐燃燒的安全型、經濟性，也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量，精度可達。本文首先研究鍋爐送風矩形大管道測量理論，提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。
  3. Under the observation of distribution and devotion of each feature in each class, the feature can be divided into three types : single - class feature, multi - class feature and general feature. according to the different distribution in each class, the general feature with less difference among classes will be filtered. the experimental results show that the precision of text classification is improved due to efficient filtration of substantive irrelevant or weak features

    演算法通過分析文本特徵的分佈特性以及區分類的情況，將文本特徵劃分為單類特徵、多類特徵與一般特徵等三種類型，按照特徵在各類之間的分佈差異，將類分佈差異較小的特徵所對應的一般特徵進行過濾，實驗結果表明這種演算法有效地過濾了大量的無關信息和弱相關信息，提高了分類演算法的精度。
  4. For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance

    針對串聯型有源電網調節器運用變結構控制策略，調節電力電子開關模式，以獲得預期的平衡電壓，對串聯型有源電網調節器提出了模糊積分變結構控制方法，使串聯型有源電網調節器既保持了常規滑模控制強魯棒性的優點，又減弱了滑模控制的抖振，提高了系統的穩態精度，使系統具有良好的動態和靜態性能，模擬試驗表明該控制策略是一種十分有效的控制方法。
  5. Sheng qi precision work factory upholds the management notion of " " management is based on people, and cooperation creates worth ", continually strengthens the management ability, and improves the management mold by using as an objective the principle of " cultivating the first class talents, making the first grade products, creating the top brands and building the first class enterprise ". let us create lasting business capacity, the business success

    晟起精工廠崇尚"管理以人為本，合作創造價值"的管理信念，不斷強化管理能力，完善管理模式，以"育一流的人才，做一流的產品，創一流品牌，建一流企業"為目標.創造永續經營能力，共享經營成果
  6. At the same time, because general hierarchical is not good on question classification, this paper proposes a new method for chinese question hierarchical classification. this method combines the key class features with the question syntactic features to classify questions. since this method extracts the syntax features and adds syntax information into question classification, at last, the precision of the coarse classes reaches 88. 25 % and fine classes reaches 73. 15 %, respectively improves nearly ten percent than the traditional hierarchy classification, proving this method is effective

    本文針對文本分類和問題分類的差別，利用依存分析提取主幹和疑問詞及其附屬成分，並結合主幹關聯詞對，採用支持向量機分類器，此方法大大減少了問題分類的噪音，突出了問題分類的主要特徵，並考慮了詞與詞之間的句法關系，取得了良好效果;同時，針對普通層次分類在問題分類上效果不理想的情況，本文提出了類別主特徵結合句法特徵的中文問題層次分類新思想，利用句法分析提取分類特徵，在問題分類中融入了句法信息，總的準確率達到大類88 . 25 %和小類73 . 15 % ，比傳統的層次分類分別提高了10個百分點，證明了此方法的有效性。
  7. This article uses fixation swatch founding for second - class investigation to obtain character of 207 sample trees, by which mathematics model of ground diameter volume table of chinese fir were deduced by regressing and imitating with five of equations respectively, and used unitary and binary volume tables of timber respectively to reckon an unitary ground diameter volume table, then compared the two ground diameter volume tables, so that a ground diameter volume table of chinese fir in yanping district was compilated to satisfy essentially the precision demand of forestry production, and to serve forestry production

    摘要利用二類調查布設的固定樣地，收集207株樣木調查資料，分別採用5個方程進行回歸擬合，選出杉木人工林地徑材積表的方程模型，利用一元材積表和二元材積表導算編制一元地徑材積表，並進行比較，結果表明二元材積表導算地徑材積表的方法精度較高，基本滿足林業生產所需精度要求，可以提供林業生產服務。
  8. The total area of the corporation covers about 200 chinese acres and the length of coastline is about 1, 140 meters, the auxiliary facilities have taken shape the main facility and the equipment include the 30, 000 dwt dry dock which is 192 meters long by 40 meters wide the gate width 32 meters and 10 meters deep, is to date the biggest dry dock in fujian province ; one fitting wharf length 65 meters, width 17 meters ; 16 tons portal crane 1 set, 16 tons gantry crane 1 set, mobile cranes 50t1 25t1 12t2 8t4 and other necessary transportation, coatings, the precision work equipment supplying air 120 m min, spraying grit more than 4, 000 m day, renews the steel plate 12 15 t day we can finish repairing all kinds of ships under 40, 000 dwt within 7 to 10 days our corporation obtains the first - class dockyard to repair and build steel - made ships lisence in 2001, passed the national environmental protection appraisal in august 2002, was designated shipbuilding in fujian for maintaining foreign ships in octobet 2002, the dry dock, passage channel, the turning area, fitting wharf are passed by passage safety appraisal in march, 2003

    主要設施和設備有： 3萬噸級干船塢一座長192米寬40米塢門凈寬32米深10米是福建省目前最大的干船塢舾裝碼頭一座長65米寬17米16噸門座起重機1臺10噸門吊1臺汽車吊8臺50噸1臺25噸1臺12噸2臺8噸4臺以及與其相配套的運輸噴塗精加工設備。每分種供氣120立方米，日噴砂面積4000多平方米，日換鋼板15 20噸。一般修船工期為7 10天。
  9. It is the mark of an educated man to look for precision in each class of things just so far as the nature of the subject admits.

    一個有教養人的標志在於，他能在問題性質的許可范圍內追尋每一類事物的精確含義。
  10. So the sliding mode variable structure controller was discussed, which has strong robustness against the disturbance, and the chattering phenomenon inherited from vsc was taken advantage to regular valve vibration for the purpose of avoiding coagulation on it, while precision of level control can be almost unaffected. but for the reason of control limitation, especially the acceleration insufficiency, the continuous time quasi - sliding mode vsc for one class of controllable system, as the substitution of ideal sliding mode control system, which was impossible to implemented, was researched, including the three essentials, reaching condition in particular, and the chattering ex - pression was given. furthermore, the effect to quasi - sliding mode motion and chatter - ing expression by extent disturbance was also analyzed

    由於控制量相對受限制，並且主要體現在控制量加速不足方面，無法實現理想的滑模變結構控制，因此本文研究了一類能控系統在這種情況下的連續系統準滑模變結構控制，包括變結構控制三要素，尤其是到達條件；並且針對塞棒掛渣問題，給出了該情況下抖振的表達式；魯棒性方面，分析了外界擾動對準滑模運動的影響，並且給出了外擾作用下抖振的表達式。
  11. Wafangdian electric bearing production co., ltd. boasts sophisticated bearing processing equipments, the powerful technical force, excellent production equipments, advanced technological level and complete detection means and is capable of independently undertaking the manufacture of deep grove ball bearing, self - aligning ball bearing, cylindrical roller bearing, ? self - aligning roller bearing, angular - contact ball bearing, tapered roller bearing, thrust ball bearing and thrust roller bearing as well as non - standard bearings and revolving supporting bearing, with the production scope ranging from the internal diameter of 50mm to the external one 3000mm and the precision class ranging from p0p5

    瓦房店電力軸承製造有限公司具有先進的軸承加工設備技術力量雄厚生產設備精良工藝水平先進檢測手段全，能獨立承製深溝球軸承調心球軸承圓柱滾子軸承調心滾子軸承角接觸球軸承圓錐滾子軸承推力球軸承推力滾子軸承及非標準軸承和回轉支承軸承。
  12. The optical structure on solenoid collecting magnetic field is designed applying the above principle, which can improve the stability of aoct greatly. according to iec660044 - 8, the performance of aoct is examined roundly applying the standard testing system authenticated by the state authority. the results indicate that the measurement precision of the aoct has already reached 0. 2 class

    以iec660044 - 8標準為依據，以通過了國家權威檢測部門鑒定的標準檢測系統華北電力大學博士學位論文摘要為測試平臺，全面地對所研製的自適應光學電流互感器的測量性能進行了檢測，檢測結果證明了自適應光學電流互感器已經達到了0 . 2級的測量水平。
  13. This paper brings forward a stable inverted deduce method which point by point in fix layer, for a class of dimension elastic wave problem, and proves that the result of parameter has whole precision for this method, numercal test shows this method is effective and feasible. 1fig., 1tab., 7refs

    針對一類一維彈性波反演問題，導出了一種穩定的定層逐點反演方法，推證了該方法的參數解具有整體二階精度，數值試驗表明，該方法是有效而可行的.圖1 ，表1 ，參7
  14. To ensure the precision of distance measuring, the high - speed laser driving circuit and the detect - amplifying circuit constituted by two class high - speed operational amplifiers are used in auto adaptive cruise - control system, and the laser flying time is measured by a sixteen bit ' s binary counter, whose counting frequency is 100 megahertz

    為保障測距精度，裝置採用高速激光器驅動電路和由兩級高速運算放大器構成的探測放大電路，並用一個計數脈沖頻率為100mhz的16位二進制計數器完成激光收發間隔時間的測量。
  15. It will provide suitable premises for lease to technology - based enterprises and research institutes to carry out research and development in the rapidly developing fields of biotechnology, electronics, information technology and telecommunication, and precision engineering to create world - class clusters for maximised synergistic effect

    科學園將為以科技為本的公司或科研機構等租戶，提供合適的地方進行研究和發展工作，從而組成世界級的產業組群，充分發揮協作效應。該等租戶將來自迅速發展的生物科技、電子、電訊及資訊科技和精密工程行業。
  16. Ltd ( epcom ) a division of east point group hong kong is a world class manufacturer and supplier of precision fiber optic components

    2001年11月成立於中國昆明，位於昆明市高新技術產業開發區。
  17. The characteristic of the grating groups can be achieved with better precision and higher speed than other methods. by using this method, we can perform analysis and optimization design with a class of non - uniform structures

    它成功地提高了光纖光柵組的分析速度和計算精度，對解決非均勻性問題的分析和優化設計進行了有益的探索。
  18. The science park will become a key location for technology - based companies wishing to be a member of a world - class technology community, with a park - like environment and state - of - the - art facilities, in which to conduct innovative business in fields such as electronics, information technology, biotechnology and precision engineering

    科學園環境幽美，設備先進，為有意成為科技界頂尖分子的科技公司提供重要的集中地，以便進行電子、資訊科技、生物科技和精密工程等創新業務。
  19. The " hangyuan " brand scn ic prepaid intelligent watermeter developed by our company is a new type ic watermer developed and produced with the high - precision measurement, control and precise processing technics of aerospace industry, with the first - class modernized production line and the testing line meets the national regulation for observe and control, the product s performance have reach the domestic - leading level

    我公司開發生產的「航源牌」 scn系列ic卡預付費智能水表是利用航天高精度測量控制和精密加工技術研製生產的新型ic卡智能水表，擁有國內一流的現代化生產線和符合國家測控規范的檢測線，產品性能達到目前國內領先水平。
  20. Die - class center of the mold manufacturing equipment nationwide, the number of experienced senior mold designers and craftsmen ; catch various types of precision injection mold design and manufacturing business

    模具中心擁有全國一流的模具製造設備、一批經驗豐富的模具設計師和高級技工；能承接各型精密注塑模具的設計製造業務。
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