寬果角 的英文怎麼說

中文拼音 [kuānguǒjiǎo]
寬果角 英文
kouango, pte
  • : Ⅰ名詞1 (果子) fruit 2 (事情的結局; 結果) result ; consequence 3 (姓氏) a surname Ⅱ動詞(吃...
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  1. The beacon will have a limited beamwidth and if the body-to-beam angle exceeds this a serious loss of signal will result.

    這個信標器的波束度有限,如彈體波束超過了它,信號就會發生嚴重的衰減。
  2. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等螺旋天線,軸向模圓柱螺旋天線,具有固定升的圓錐螺旋天線和圓錐等螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的頻帶特性,所得的結均與參考文獻吻合很好。
  3. The numerical results show that the time domain response of the laminated plates induced by the in - line force of non - steady component oscillating flow is similar to harmonic motion with certain ribbon which is formed by period motion

    計算結表明,零均值流量脈動流順流向作用力誘發反對稱鋪設層合板的時域響應近似於具有一定帶的諧波運動,而這一帶又是由一定周期運動形成的。
  4. Corneal surfaces in eyes with regular astigmatism are thought to be toroidal surfaces. based on mathematical models for corneal surfaces before and after treatment, a corneal ablation model is given for such refractive errors as spherical myopia, compound myopic astigmatism, and simple myopic astigmatism. a similar corneal ablation model is also given for such refractive errors as hyperopia, compound hyperopic astigmatism, and simple hyperopic astigmatism

    採用超環面( toroidalsurface )建立起規則散光下的膜曲面模型方程;定量研究了手術光學區屈光不正兩種通用的矯正模型,一種模型適用於單純近視、復性近視散光、單純近視散光的矯正,另一種模型適用於單純遠視、復性遠視散光、單純遠視散光的矯正;另外,作為影響手術效的重要因素,提出了一種用於光學區直徑和過渡區度均可調節時過渡區膜切削量的計算模型。
  5. Here we found g proteins also function in leaf, silique development and the yield of pollen microspore. we observed several traits or characters in the offsprings of gpal, agbl null mutation and gpa1 overexpression lines and found that the width of mutants " lamina is larger than that of the wild type, whereas the lamina length, petiole length and rosette diameter is smaller than the wild type, the ga overexpression lines is different from the mutants ; the silique length and the pedicel length is larger in mutants than that of wild type, and slightly smaller in overexpression lines than the control ; the morphometric character in silique tip is different in gpal from agbl mutants ; the yield of pollen microspore is larger in null mutants than wild type whereas smaller in overexpression lines

    實驗中我們跟蹤觀察了多代異三聚體g蛋白a亞基超表達轉基因植株及a , p亞基缺失突變體的表型特徵,發現突變體的葉片度大於對應的野生型,葉片長度,葉柄長度及蓮座直徑小於野生型,而超表達植株的上述某些特徵與突變體相反; gp時突變體的長長度,花梗柄部長度大於野生型,而超表達ga植株種英則略小於對照; gpal突變體長尖端未出現咭乙i突變體的特徵: gpal ,口gbl突變體花粉生成量大於野生型,而超表達ga植株的花粉生成量則略小於對照。
  6. On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam

    論文研究論證了用值評價激光光束質量的實際意義在於兩個方面,一方面它僅僅包含了光束束和發散,不涉及波長的因素,使不同波長激光束的可加工能力具有可比性;另一方面,值是根據對光束傳輸路徑上不同位置處束實際測量結的計算值,比其在與基模高斯光束進行比值計算得到的m2因子更簡潔、更有說服力。
  7. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調脈沖再平衡測試迴路為設計方案,並從控制理論的度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  8. Based on the reseaching of lycoris leaf micro - morphology characters by sem scanning, light microscope viewing and using paraffin method in the article, we try to provide the proofs of experiment and the efffective characer indexes to discuss the system and evolution of the lycoris. we find these microscope characers through reseach are as follows : the arrangement type, density and the length of stoma ; the shape and length of the epidermal cells ; the ridge of epidermis ; the transverse shape of leaf ; the number of the vascular bundle ; the style of vessel arrangement of vascular bundle in the middle vein ; the layers of palisade tissue ; the ratio of the thicken of palisade tissue to that of spongy tissue ; the angle number of the middle leaf ; the type of ventilating cavity etc. these characters are different from those of species in lycoris, meanwhile these characters are similar to those of some species in lycoris. so these characters can be used as the character indexes for differentiating species and reseaching systematic evolution of lycoris ; we can divide lycoris into two subgenus by these characteristic indexes : the species of one subgenus are l. aurea ( l " her. ) herb, chinensis traub, l. caldweuii traub, l. anhuiensis y. hsu et q. j. fan, l. longituba y. hsu et q. j. fan ; the species of another subgenu s are l. houdyshelii traub, l. albiflora koidz.,

    研究結表明:葉表皮的氣孔排列方式、長度、長比,脊的明顯與否,葉表皮上的顆粒紋飾的多少、大小,葉表皮細胞長度、長比、垂周壁形狀,上部葉柵欄組織細胞層數、葉的維管束數、葉中脈導管組成數目,氣腔類型,葉的脊部遠軸面的數,葉緣的形狀等這些特徵在種間存在差異,同時,在有些種之間又有相似性;因此,這些特徵既可以作為區分種的證據,又是研究石蒜屬植物系統演化的性狀指標,根據這些性狀指標,可以將石蒜屬植物大致分為兩個亞屬:一是忽地笑、中國石蒜、短蕊石蒜、安徽石蒜、長筒石蒜,二是江蘇石蒜、乳白石蒜、石蒜、玫瑰石蒜、稻草石蒜;在兩個亞屬中其中有些種如忽地笑、長筒石蒜、中國石蒜的親緣關系則更近些。
  9. The method is as follows : calculating the length, angles and coordinates of pre - cast hollow slab in cartesian coordinate system, and then adjusting the width of hollow slab beams and length of cantilever boards to make the linear cantilever slabs close to the transition of mute

    具體方法是:採用直坐標系計算預制空心板斜長、首尾夾和起終點坐標,根據計算結與路線線形之差,多次調整空心板梁的梁板度和懸臂長度,使外懸臂折線滿足路線的緩和曲線線形。
  10. The large contiguous area of tugai forests in iminq ? k is a result of a dense web of river branches, which are still flooded

    移民且克大面積很的土加以森林就是支流很密的三洲的效
  11. The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120

    模擬結表明這種控制策略能有效地抑制反電動勢平頂度小於120電的無刷直流電動機的換相轉矩脈動。
  12. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較,模擬研究和實驗結表明,當反電動勢的平頂度小於107電時,採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上,更有效地抑制電磁轉矩脈動。
  13. The result of the experiment shows that the proposed forced vibration method device has the quality of stability and repetitiveness of the data, the wide range of the testable reduced velocity, the exactness of coupled and direct flutter derivatives. and it does not need to employ any complicated identification system to check it further

    顯示:本文提出的強迫振動法裝置具有試驗數據穩定、數據重復性好、可測量的折減風速范圍、交叉項導數與對項導數具有同等精度和不需要復雜的系統識別過程等一系列優點。
  14. The darker the screen will have better color - contrast. b turn on the display and check the sharpness of the text on the four corner. the sharper the text means the higher color - contrast, focal length and higher frequency

    B開機后,仔細查看顯示器四的文字是否夠清晰,尤其是在高解析度底下,如高解析度情況下,而顯示器四的文字清楚,表示該顯示器對比及焦距不錯且頻
  15. The calculation way of the lattice mismatch through a new simpilied model between semiconductor epitaxy and substrate are analysed, and the way of determine the lattice mismatch in xrd are also discussed

    表明,正三形晶格和長方形晶格匹配,長方形晶格的列原子的匹配具有優先性,不受長列原子匹配的影響。
  16. On the basis of current research achievements, we ought to widen and deepen the field of research, enhance the cross - disciplinary research, continue to study this subject in different stratums, phases and aspects

    在現有研究成的基礎上,還應不斷拓研究領域,大力發掘史料,加強交叉學科研究,繼續分層次、分階段、多度對中國古代民族觀問題進行科學審視。
  17. Through discussion of numerical solution, the author get the effect of height of filled soil, size of culvert, width of valley, property of filled soil, construction procedure and techniques on soil stress of the culvert top ; 3. through the centrifuge test, the paper validates the reliability of numerical calculating on high - stack soil ; 4. the paper puts forward the simplified calculating method of soil stress of the culvert top on the foundation of numerical simulating and centrifuge modeling

    通過對數值解的討論,得到填土高度,涵洞截面尺寸,溝谷底部度,溝壁坡,填築體性狀,施工速度,地下水對豎向位移場及涵洞頂部土壓力的影響情況; 3通過離心機的模擬試驗,驗證了數值計算對高路堤的計算結的可靠性; 4在數值模擬和室內離心機模型試驗的基礎上,提出了高填方涵洞頂部土壓力簡化計算方法。
  18. Capsule reddish when matured, obtriangular, 5 - lobed, lobes broad at apex, ca. 1 cm wide in the widest place

    熟時帶紅色,倒三形, 5淺裂,裂片頂端,稍外展,基部稍窄,最處約1厘米。
  19. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結驗證了系統低頻振蕩建模和判據的實用性和正確性。
  20. At last, it puts forward opinions about the development of information organization research from a big angle of view for information organization, unceasing opening up the domain and the development of achievements

    最後從大視看信息組織、不斷拓領域和拓展成等方面提出了信息組織研究發展的看法。
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