短形波 的英文怎麼說
中文拼音 [duǎnxíngbō]
短形波
英文
square wave-
Leaves opposite, papery, ovate, suborbicular or elliptic, 4 - 8 cm long, apex rounded, base rounded to broadly cuneate, margin with regular and slightly sinuate teeth except base, covered with yellowish brown tufted appressed hairs ; petioles 0. 6 - 1. 5 cm long
葉對生，紙質，圓卵形、近圓形或橢圓形，長4 - 8厘米，頂端圓形，基部圓形至寬楔形，邊緣除基部外具整齊而稍帶波狀的鋸齒，兩面被黃褐色簇狀短伏毛；葉柄長6 - 15毫米。Aimed at the landform and the shortage of water resource in hilly mountain areas, the field experiments of surge furrow irrigation and continuous irrigation were carried out
本文針對丘陵山區地形和水資源短缺等特點，採用正交試驗設計進行波涌灌和連續灌田間試驗。The graphic record shows three waves arriving one after the other at short intervals.
圖形記錄顯示了在短短的間隙內先後到達的三種波。Aiming at some occurrent interfering problems during acoustic variable density logging in oil region, for example, some short horizontal linear interference has appeared in the acoustic variable density logging drawing, and combining with the logging principles of cement bond composed logging tools, this paper has analyzed the factors of forming interferences during acoustic variable density logging and the influences for well cementing evaluation, and suggested some methods to judge and solve every interference
摘要針對油區聲波變密度測井中出現的干擾問題，例如在聲波變密度測井成果圖上有短橫線干擾，結合水泥膠結組合儀測井原理，分析了聲波變密度測井中形成干擾的因素及其對固井評價的影響，提出對各種干擾的判斷和解決方法。Introduce according to the relevant data, persian cat is in around 16 centurieses, from the himalayas cat and angola cat miscellaneous hand over, lift through several years to breed but grow purely. persian cat ' s figure is bigger, wering grown by the hair and thick and airtight, head circle big, the face is flat even, sum breadth the ear is small, circle the eye snub - nosed tone short breadth, the body feels round and smooth because the hair grows, the arms and legs is thick short soft, the tail is fluffy and bulky, giving person a kind of noblest felling. persian cat ' s pressing is canned is divided into a white, black, red by the hair color ' s dissimilarity, yellow, dark gray, blue, double color, tortoise shell color, miscellaneous color, tiger spot color etc. species. take species of the red as among them valuable
根據有關資料介紹，波斯貓是在16世紀左右，由喜馬拉雅貓和安哥拉貓雜交，經過多年的提純繁殖而培育出來的.波斯貓體形較大，被毛長而且厚密，頭圓大，臉扁平，額寬耳小，圓眼塌鼻口吻短寬，軀體因毛長而感覺渾圓，四肢粗短柔軟，尾蓬鬆粗大，給人一種雍容華貴的感覺.波斯貓按被毛顏色不同可分為白色，黑色，紅色，黃色，暗灰色，藍色，雙色，玳瑁色，雜色，虎斑色等品種.其中以紅色的品種尤為名貴.波斯貓外表美麗大方，叫聲細小甜美，性格溫和，膽大好奇，喜歡與人親近，善解人意，容易調教，是一種深受人們喜愛的高貴寵物.有關波斯貓的起源眾說紛紜，現較統一的說法是在阿富汗土著長毛貓的基礎上，同土耳其或亞美尼亞地區的安哥拉貓雜交培育而成。In this paper, besides the simulation of the normal physiological condition, ecg waveforms under pathological conditions due to cell membrane ionic channel mutation such of as long - qt syndrome, short - qt syndrome, t wave alternans and brugada syndrome also be simulated and researched, which validated this ecg model, at the same time be beneficial to further research on
文中除了模擬正常生理狀態下的心電圖以外，對長qt間期綜合癥、短qt間期綜合征、 t波電交替和brugada綜合癥等幾種由細胞膜離子通道改變所引起的病態心電圖波形也進行了模擬研究，充分驗證了模型的正確性，同時也為進一步在此上進行疾病治療藥物的研究奠定了基礎。The writer studies the developed steps of real estate industry in the above - mentioned period and describes its generation mechanism, characteristics and cause of business cycle fluctuation of real estate industry in the period of our economy system shift. it is necessary to point out that policy cycle fluctuation should be a fundamental cause on business cycle fluctuation of real estate industry in china. writer here jumps at the conclusion that the recovery phase and depression phase of business cycle in our real estate industry should be later than the expansion phase and decline phase
該部分內容由第3章構成，即從房地產經濟周期波動的一般研究轉到對我國房地產經濟周期波動進行分析，從總體上看，改革開放以來我國房地產業的真正形成與發展只有20年的歷史，通過對這一短時期中國房地產業發展的探討，指明轉軌時期中國房地產經濟周期波動的一些主要特點，同時指出我國房地產經濟周期波動形成機制與原因，當前我國經濟轉軌時期，政策周期波動是房地產經濟周期波動的根本原因，並從理論角度分析了房地產經濟周期波動與宏觀經濟周期波動在各個階段間的相互關系，得出我國房地產經濟周期相對于宏觀經濟周期波動來說在復甦期和蕭條期滯后，但高漲期和衰退期卻先行的結論。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。When a strong tide is disturbed by submarine bedforms, its effect on surface drift, breaking criteria, as well as energy dissipation rate of short wind waves are discussed and for a particular case, these effects are estimated using available experimental formulae for drift speed
本文將phiilips & b ~ r （ 1974 ）的理論應用於受地形擾動的強潮流場，探討該潮流場對表面漂流的調制和對風浪破碎臨界條件的改變，並進而討論潮流場對破碎損耗源項的影響，初步給出一個考慮了上述影響的、適用於短重力波的破碎損耗源項形式。In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。To utilize property of saws propagating, it can be made including delay lines, passband filters, oscillators and pitch filters. surface transverse wave ( stw ) was used the configurature of reflective metal - strip grating between the two interdigital transducers, and made the shear horizotal ( sh ) wave on the surface of the piezoelectric substrate, but not to deep in
聲表面橫波（ surfacetransversewave ，簡稱stw ）是採用在兩個金屬叉指換能器之間加入短路柵的隔離板結構使剪切水平波（ shearhorizontalwave ，簡稱sh波）被嵌制在壓電基片表面上，而不是沿壓電基片內傳播的聲表面橫波形式。Long parts, ( such as axis, pole and so on ) varying along the profiled bar direction by the length or by a certain rule can be shortened to represent, and the broken part shall be represented by waved line or zipped lines, as shown in fig. 13
較長的機件（軸、桿、型材等）沿長度方向的形狀相同或按一定規律變化時，可斷開后縮短繪制，斷開后的結構應按實際長度標注尺寸；斷裂邊界可用波浪線、雙折線繪制，如圖13所示。We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses
給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線，研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時，由於低階色散和高階色散引起的脈沖展寬和形變。This article develops a research on the underwater acoutics position technology with the short array - group and designs hardware of this system based on application background, which includes the receiver, controlling sub system and interface sub system and the wave ( data ) collecting sub system
本論文對短基線水聲定位技術進行了研究並設計了基於工程應用背景下的硬體電路系統。主要包括：接收機分系統、控制及介面分機分系統和波形（數據）採集分系統。The results show that selection of radiation parameterization schemes has distinct impact on the simulated results. the results simulated by the group with detailed long - wave and short - wave radiation parameterization scheme reflect plateau terrain and typhoon, cloud, subtropical high, trough / ridge more particularly and reasonably ; intensity of typhoon rainfall center is improved 1 / 3, there have been some improvements on intensity of the north heavy snow, more approach the observation
通過對2002年第16號臺風個例和2002年12月19 24日降雪個例的模擬，結果表明：選用不同的輻射參數化方案對模擬結果具有明顯的影響，較詳細的長短波輻射參數化方案組合模擬的各種輻射量和雲對地形以及臺風、副高和槽脊等天氣形勢的反映更加細致合理；降水的預報也更加接近實況。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定In industrial times the improvement of science and technology resulted in further development of productive force, which caused the change of human existence. technology has now become the dominant power and means which we use to deprive and conquer the nature. thus man ' s dependence upon others has been replaced by upon machinery and technology
此時，典型的企業形態出現，它以盈利為最大目標，組織嚴密化，分工專業化，但卻表現出發展的不可持續性，而一味追求科學、有效性的科學型管理更是推波助瀾，導致企業的短見和人的發展的進一步的片面化。( 3 ) verifies the voltage wave, electrical current vuive and output power wave of asteroidal magneto, and the veracity of parameters by a series of experiments. the experimental result demonstrates that the error is less than 10 % between theoretic value and actual value
（ 3 ）通過一系列實驗驗證了星形磁電機空載電壓波形、電流波形、短路電流倍數、輸出功率等波形和參數的準確性，實驗結果表明，理論與實測值相差不到10 。When the substrate temperature is changed from room temperature to 550 and the gas pressure is varied from 0. 1pa to 30pa, the structures of zno thin films are c - axis oriented multi - crystalline. the landscape orientation growing speed of crystal grains is controlled mainly by depositing speed of zn and o atoms, while c - axis developing speed is chiefly dominated by depositing speed and activity of zn and o atoms
Sb _ 2o _ 3摻雜zno薄膜中sb以替位原子及化合物（ sb _ 2o _ 3和zn7sb2o12 ）等形式存在， zno呈混晶方式生長;摻雜薄膜在遠紫外波段的吸收顯著增強，吸收邊變得陡峭且向短波方向移動達5nm ，在可見光波段的吸收有所增強。But generally speaking, the most important factor is the long - run trend but not the short fluctuation. in the sixth part, that is the ninth chapter, we discuss the conventional distinction between bank - based and market - centered financial systems and find that investor protection is the key of corporate governance and put forward some resolvents
但是總體來看，通過濾嘴法則的檢驗說明股價形成中最重要的並非是中短期波動，而是長浙江大學博士學位論文中國股市價格形成機制研究?基於信息、投資者行為和量價關系的實證期趨勢。分享友人