音量單位 的英文怎麼說
中文拼音 [yīnliángdānwèi]
音量單位
英文
voice unit-
Vu volume unit
音量單位表Based on the slogan of “ science originates from human being ”, waygoing has attracted a large amount of it talents with explorative spirits and practical experiences and advocated modern enterprise idea of “ sincerity, practice, high - efficiency and creativity ” and regarded high - quality products and perfect as the root of waygoing and satisfied the needs of ngn and voip application of telecom carriers and enterprises, which have long been and will be pursued by waygoing forever
科技以人為本，偉功匯集了一批富有開拓精神和時間經驗的業界精英，倡導「誠信、務實、高效、創新」的現代企業理念，視高質量的產品和完善的服務為企業立足之本，以滿足電信業及企事業單位對ngn及ip語音應用的需求為己任這是偉功永恆的追求。Article 14 the units in charge of the military restricted zones shall, on the basis of specific conditions and in accordance with the designated limits of the zones, put up enclosing walls and barbed wire fences for the land military restricted zones and set up barriers or boundary markers for the military restricted waters
第十五條禁止陸地、水域軍事禁區管理單位以外的人員、車輛、船舶進入禁區，禁止對禁區進行攝影、攝像、錄音、勘察、測量、描繪和記述，經軍區級以上軍事機關批準的除外。The nco limits are measured via the 30 - minute equivalent level in unit of a - weighted decibels ( db ( a ) ), which is a commonly used international standard
該條例所訂的聲量上限是以每三十分鐘時段內的平均噪音能量水平量度，以a加權分貝值為單位（分貝（ a ） ） ，該準則為國際普遍採用的標準。Point in the number of times of a repetition in period, or each of cycle number. calculate the unit to hz hertz, such as the frequency is 1000 hzs 1 khz signal 1000 every second then contain the cycle of the sine wave
指在一個周期內的重復次數，或每秒的周波數。計量單位為hz hertz ，如頻率為1000hz 1khz的音頻信號每秒便有1000個正弦波的周波。Currently, there is still no unified standard on the engine room of telephone offices. in the construction stage, civil designing institutes often only had a rough knowledge of the characteristics of the communications power facility. this has led to an irrational layout of the engine room and air inlets and outlets
現由於電話局油機房沒有統一的標準，在土建施工階段因土建設計單位對通信電源設備的性能了解得不透徹，造成油機房布局和進、排風口安排不合理，在後期對油機房進行消噪音處理時難度加大和投資量增多。1 ) the number of sandstorm days from 12 weather stations in the helanshan zone is documented, indicating that the events can happen on the east and west sides of the ranges all the year round, with high frequencies in april to may, averaging 3. 2 and 3. 1 days on the west side, respectively and with the eastern high frequency in april, averaging 2. 0 days. also, analysis reveals that the high frequency period for eastern station yanchi and western guaizihu is april, with 5. 4 and 5. 2 days, on average, respectively
銀川、巴音浩特和通古淖爾三地背景大氣沙塵氣溶膠粒子的數濃度譜和質量濃度譜均呈單峰型，服從對數正態分佈，與城市污染物氣溶膠的三峰、雙峰質量譜明顯不同。浮塵、揚沙、沙塵暴天氣條件下，平均數濃度和質量濃度是依次增加的，可相差4 - 7倍。沙塵氣溶膠粒子譜分佈還與地理位置有關。A metrical unit of quantitative verse consisting of two or more cola
定量測量單位包括兩個或兩個以上音行的定量韻律的度量單位For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation
數值模擬採用fluent軟體，計算結果用excel進行處理，通過對大量數值工況進行數值模擬計算，結果表明：對于單側百葉風口，計算表明： 1 ）對于公式p = （ ~ 2 ） 2 ，的理論計算值中定義為流體流經百葉風口內部時的速度，即有效速度，而工程上常使用流體的來流速度來計算，計算表明，的理論計算值與工程應用值的關系為（ _ （理論） ） （ _ （工程） ） = 0 . 813 ； 2 ）當來流速度一定時，擋板傾斜角度越小，壓力損失越小、出口速度越小；因此在要求進口風速比較小的場所，如播音室、圖書館等，宜採用擋板角度30的百葉風口；在要求進口風速比較大的場所，如電影院、辦公室等，百葉擋板的角度應選45 ； 3 ）當來流速度一定時，百葉擋板的擋板寬度b與擋板間距h的比值b h越大，壓力損失越大，出口速度越小，計算表明，鑒于壓力損失、出口風速、板間形成渦流區的大小，百葉擋板的b h值取0 . 8到2 . 0之間， b h = 1 . 2為最佳值； 4 ）當來流速度一定時，在計算的條件下，當百葉擋板寬度b = 40mm時，百葉擋板的阻力系數最小，考慮到渦流區等的影響，建議選用10mm b 50mm的百葉擋板；西安建築科技大學碩士學位論文5 ）百葉擋板的厚度取為1 . sinln為好; 6 ）百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板，利用其較好的導流作用，可得到更好的出流效果。Different vocal behavior models were given from sound spectrum analysis for different songs. based on rule sonagram, quantitative analysis and qualitative analysis, difference comparative analysis in and between individuals for different songs were developed, and obtained the sresuls were as follows : ( 1 ) acoustic properties of male songs were that there were less syllables in every single calling song, it was usually more t
通過對不同鳴聲的聲譜分析，給出了不同鳴聲的聲行為模式，並在常規聲圖的基礎上，對不同鳴聲進行了定性與定量分析、個體內差異比較分析以及個體間差異比較分析，得出結果如下： （ 1 ）雄性的鳴聲特性是每個單次叫聲中含有的音節數較少，一般不超過4個音節；而雌性的鳴聲特博士學位論文摘要東北農業大學仿毀刨會次叫聲？Conventional dc electric propulsion system always takes up dominant station in submarine propulsion. due to dc motor inherent limitation that machine commutation and brush results in stand - alone capability ' s limit low reliability, big noises, people manage to explore more quiet, high efficient and reliability, big stand - alone capability propulsion motor
傳統的直流電力推進系統一直在潛艇推進中占據主導地位，但由於直流電機本身固有的缺陷即有機械換向器和電刷從而導致單機容量有限和可靠性不高、噪音大，迫使人們探索更加安靜並且高效可靠、單機容量大的推進電機。However, there are some questions about instant messenger : firstly, instant messengers existed ca n ' t support to draw instantly graphs for communicating with others because there is no environment to draw graphs in the local computer in instant messengers. secondly, or can do it, but for transferring too large picture encode data, the instant messengers are only running in local area networks, not in internet
現有的即時通信系統在支持圖形即時雙向交互方面還存在著如下問題： （ 1 ）不能支持基於圖形的即時通信，在即時通信系統中缺少即時繪制圖形的環境，只支持基於文字、文件、語音和視頻的通信； （ 2 ）部分支持基於圖形的即時會話的系統，傳輸的數據是圖像壓縮數據，單位時間內傳輸的數據量大，不適合在開放網際網路上廣泛使用。Mke - 810 encoder is able to provide high - quality video, audio compression with mpeg - 2 encoder. it provides efficient rate and cache control can be both high and low bit - rate high - definition quality. it mp ml with mpeg - 2 video coding standard resolution of 720 576 25. 2m - 20m programs for each output bit rate adjustable. meanwhile a variety of interface and high performance core of the larger independent mpeg - 2 module integrated within the box. meet efficient installation
採用4 : 2 : 2數字視頻和20位數字音頻編解碼技術內置時基校正和幀同步功能，保證信號的傳輸質量單模傳輸方式，波長為1310nm或1550nm ，傳輸距離可達100公里分享友人