several years 中文意思是什麼
-
J. r. frederick has carried on investigations in acoustic emission for several years.
JR佛萊德里克從事聲學研究已歷多年。 -
This television may be the wide - screen one which is mentioned as being in the dursley kitchen several years later, in 1995, when the advance guard comes for harry
廚房裡的電視機可能是寬熒的，在幾年後，也就是1995年先遣衛隊來接哈利時提到過它。 -
After several years development, sem. test gets our independent standardized laboratory recognized by the authoritative certification institution of tuv rhineland timco engineering and ul etc. the founding of sem. test compliance is to apply professional product emc, rf, safety and rohs testing and certification service for product quality meeting the standard s requirements
3 .先進的實驗設備sem . test測試設備來自專業的世界知名品牌，主要有美國agilent ， hp ， ketherly ，丹麥k b ，德國r s和中國的aino系列品牌，為測試的精確性提供可靠的數據保障。 -
He was for several years the main prop and animator of roosevelt himself.
他有幾年是羅斯福本人的主要支持者和鼓舞者。 -
The war came and almost entirely annihilate the steamboating industry during several years.
戰爭爆發了，幾乎使航運事業完全停頓了好幾年。 -
Sugar substitutes such as aspartame, saccharin and xylitol have been widely available for several years now
糖替代品，如阿斯巴甜糖精和木糖醇，至今都已廣泛使用了很多年。 -
I befriended mulluk several years ago and often stayed with him and other natives.
幾年以前，我和木勒克成了朋友，經常跟他以及別的土著人住在一起。 -
The birth rate in our country has been declining for several years.
我國人口的出生率幾年來一直在下降。 -
The actor became typed in intense, neurotic roles for the next several years : in films he portrayed the obsessed father of a girl whose soul has been transferred into the body of another child in audrey rose 1976, an off - the - wall ventriloquist in magic 1978, and the much - maligned captain bligh opposite mel gibson s fletcher christian in bounty 1982
1992年，安東尼霍普金斯以其在沉默的羔羊the silence of the lambs 1991一片中的傑出表現獲得了第64屆奧斯卡最佳男主角獎的殊榮。他是奧斯卡歷史上第三位獲此榮譽的英國演員。 -
" longdao no. 3 " bred from offspring of " shangyu 397 ( mudanjiang 19 zhongguo 91 ) " through several years ' selection combination of bulk selection method, pedigree selection method and ecosystem selection method
摘要龍稻3號是從上育397 （牡丹江19中國91 ）的後代經多年運用集團選擇、系譜選擇和生態壓力選擇相結合的方法選育而成。 -
It is anticipated that thousands of people would acquire the qualification of cse in the following several years
在未來幾年，還將有數以萬計的人員獲得注冊安全工程師執業資格。 -
Such forms usually made great effect in the beginning. however, the benefit of reform became digressive when several years passed
人們每每看到，新辦法一經推出，往往帶來轟動效應，但推而廣之，久而久之，改革的效益又呈遞減趨勢。 -
Lan chen president of valley graphics inc, the one has been chinese education long tern supporter for several years. this time is our first generosities donator of $ 10, 000
陳嵐女士（大中華印務公司總裁；中文教育界長期熱心贊助者。本次熱心贊助漢橋一萬美金。 -
He is her elder by several years.
他比她大幾歲。 -
After several years in london, he was posted to the embassy in moscow.
他在倫敦任職幾年後被派往駐莫斯科大使館工作。 -
This 52 - year - old male patient presented with unilateral left - sided nasal obstruction, purulent nasal discharge nad occasional epistaxis for several years
局部檢查發現左側下鼻甲後端有一結節樣肉芽腫塊，經病理切片及結核菌培養試驗證實為結核癥。 -
He was independent of family ties since his marriage had terminated several years earlier.
由於他的婚姻在幾年前就終止了，因此在家庭關繫上，他也就獨立了。 -
Flea markets came into being in china only several years ago
僅幾年前中國才開始有了跳蚤市場。 -
After a flexuous development for several years, internet commerce gradually becomes an important commerce tool and a kind of economic phenomena in china
經過幾年的曲折發展，中國的網際網路商務已經逐漸成為重要的商務手段和經濟現象。 -
In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
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