场
- 与 场 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A kind of finite element analyzing software "ANSYS" is used to calculate the temperature field of cable system; Finally, Subtense truncation approach is used to calculate the ampacity of cable system with equal load.
根据地下直埋电缆的温度场特性,将开域场转化为四个边分别符合第一、二和三类边界条件的四边形有界热场问题,然后利用有限元法计算场域内的温度场分布,最后用迭代的方法确定电力电缆的载流量。
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Using this method, the thermal analysis of air-core reactor is performed without specifying the convection coefficients at its development stage. Therefore, the experimental cost of air-core reactor is decreased and the design period is shortened.
建立了空心电抗器磁场、电路、流场和温度场耦合计算的有限元模型,将磁场-电路计算得到的焦耳热作为流场和温度场计算中的热源,从而求出了空心电抗器的稳态和暂态温度场分布及最高温度值。
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On average, these dually listed companies are still traded at a 30% premium in HongKong, or the H share market, over the price of the same stock in the A share market.
如果我们比较同时在国内外上市的公司的股价就能发现,这些双重上市公司在H股市场的股价比在A股市场平均要高出百分之三十,而在五年前这个数字却是百分之三百八十,显然这些上市公司的股票价格区间被压缩了,但其在A股市场的价值并不低,(这句话应该翻译为:A股市场的总体价格水平并不偏低),这些股票的价值被高估了(和海外市场比,A股市场依然被高估了)。
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The wind fields andtemperature fields data provided by "D files" from 14 surface observationstations around Beijing area are used to produce the mean wind fields and the meantemperature fields over Beijing area in summer and winter. Such results are gotten:(1)Due to the unique topography the wind of Beijing area during the day time is southernanabatic wind and in the night is northern katabatic wind in summer.
Keywords:wind field; temperature field; urban heat island; urban boundarylayer; Beijing area 北京区域夏冬季风场、温度场的观测研究胡小明刘树华梁福明王建华刘和平王迎春李炬摘要:用北京及市郊地区共14个地面气象观测站的全月数据顺序文件&D文件&提供的风场及温度资料,采用逐时月均匀的方法对北京及周边地区的冬夏两季的风场,温度场特征进行了研究。
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Our theory predicts the minimum value of ponderomotive parameter and the corresponding critical laser intensity, below which no diffraction can occur; 6, We studied the energy transfer of a two-level atom moving in a cavity field, as well as its influence on the atomic emission spectra and on the photon distribution of the intro-cavity field.
我们用两对激光模来模拟紧聚焦的高斯光场,成功地得到了《Nautre》上Batleaan等人的实验观测结果,预言了有待实验进一步观测的新现象,并确立了发生电子衍射的激光场的临界强度; 6,研究了原子在激光场中运动时光场与原子之间的能量交换,以及这种能量在光谱上的反映和对激光场统计性质的影响。
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We then add boundaries delineated forward/backward facing reflected shock, Mechanical equilibrium, M2=1 and reflected shock strong/weak separating conditions on the (M0,q1) map of shih(2004). This is followed by systematically investigating multiply possible three shock theoretical solutions of steady Mach reflections in perfect triatomic gases. Pressure-deflection shock polar solutions are used to help illustrate different solution behaviors of these theoretical three-shock solutions. M0 is flow Mach no. upstream of incident shock, M1 is flow Mach no. downstream of incident shock, M2 is flow Mach no. downstream of reflected shock,q1 is flow deflection downstream of incident shock.
随后本文由石(2004)论文中加入前后分界、机械平衡、M2=1及强弱分界条件,然后有系统地探讨三原子分子理想气体(r=1.2857 )稳态马赫反射参震波理论多重解之交点及其对应之压力-转折角震波极图解,并建构出此三原子分子理想气体稳态马赫反射流场三震波十阶多项式理论解於(Mo,q1)平面上之解域图,其中M0为入射震波上游流场马赫数,M1为入射震波下游流场马赫数,M2为入射震波下游流场马赫数,q1为入射震波下游流场转折角。
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Shim current calculation When shim coils are excited by appropriate current, they can generate correcting magnetic field to compensate the imaging magnetic field unhomogeneity. Based on the indirect calculation method, we proposed a novel iterative optimization algorithm to calculate shim current. Because there is a direct proportion relationship between FID signal and magnetic field homogeneity, we use the intensity of FID signal as feedback information to the calculation. Shim current can be worked out in less than 3 minutes. This satisfied the requirement that active shimming should be performed in real time.
5匀场电流计算对匀场线圈施加适当的电流后才能产生校正磁场消除成像磁场的非均匀分量,本文在匀场电流间接计算方法的基础上,利用磁共振成像原理中磁场均匀性与系统FID信号强度成正比的关系提出了一种电流迭代优化算法,将系统FID信号强度的变化作为反馈信息,能够快速计算出匀场电流对成像磁场进行补偿校正,平均耗时不到三分钟,满足磁共振成像系统对有源匀场的实时性要求。
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Shim current calculationWhen shim coils are excited by appropriate current, they can generate correcting magnetic field to compensate the imaging magnetic field unhomogeneity. Based on the indirect calculation method, we proposed a novel iterative optimization algorithm to calculate shim current. Because there is a direct proportion relationship between FID signal and magnetic field homogeneity, we use the intensity of FID signal as feedback information to the calculation. Shim current can be worked out in less than 3 minutes. This satisfied the requirement that active shimming should be performed in real time.
5匀场电流计算对匀场线圈施加适当的电流后才能产生校正磁场消除成像磁场的非均匀分量,本文在匀场电流间接计算方法的基础上,利用磁共振成像原理中磁场均匀性与系统FID信号强度成正比的关系提出了一种电流迭代优化算法,将系统FID信号强度的变化作为反馈信息,能够快速计算出匀场电流对成像磁场进行补偿校正,平均耗时不到三分钟,满足磁共振成像系统对有源匀场的实时性要求。
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For strong convective weather , it classified all historical sample events into 4 weather patterns (like northwest , trough area ,west wind and southwest current), established 4 characteristic fields of 400hPa height of HLAFS , then according to the principle of the pattern match calculate and compare the real-time HLAFS forecast products-2-using the similar method inside the big and small key areas , establish forecast equation , finally gain conclusion .To duststrom weather, the historical samples were sorted into duststrom and severe duststrom types in 5 regions (they are whole area, west, central, middle-west and middle-east of Inner Mongolia ),moreover set up different sample databases about ECMWF fields (including 500hPa height, 850hPatemperature and sea-level pressure).In order to making duststrom forecast at different time level , we first filtered the real-time data by FAX data ,and then used the method of similar range degree to compare the historical data to the actual data of ECMWF .To precipitation weather ,they were divided into 2 types that suit or unsuit airplane artificial precipitation stimulation in line with their emergence time and district .The appropriate weather physical factors come from T106 were chosen to establish the artificial precipitation stimulation prediction model . In the actual application , we can get prediction result as long as use the real-time forecast data of T213 in the prediction model .
针对强对流天气将历史样本天气分为西北气流型、槽区型、西风气流型和西南气流型等4个类型,并建立其HLAFS资料400hPa四种特征场,按照模板匹配的原理,用相似分析方法在大、小两个关键区中对实时HLAFS预报产品进行计算、比较,再建立预报方程,得出结论;对沙尘暴天气将其按区域分为全区、西部、中部、中西部以及中东部5类,再按强弱分别分为强和一般2类,建立ECMWF的3个场(500hPa高度场、850hPa温度场和海平面气压场)的历史资料库,在用传真资料消空之后,用相似离度方法计算实时ECMWF资料,做出不同时次的预报;对降水天气按出现时间和区域分为适合和不适合飞机增雨作业2类,选择T106资料中恰当的气象物理量因子,用BP神经网络算法建立人工增雨降水预报模型,实际应用中将实时T213相关预报资料代入预报模型即可。
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Spanish cast aside before the start of this season's two Champions League qualifiers aside, Atletico this season, took part in the Champions League group stage has 6 games, the EU 6 games, 12 games knockout World War, as a whole, Atletico in 12 games before the European War get 4 wins 4 level 4 and losing many of them home 2 to 1 edge Ke Basa, 2 to 0 win over Athletic Bilbao and other wonderful performances, but if just look away, Atletico battle only get 8 wins, 2 1 5 negative record.
抛开本赛季西甲开赛前的两场欧冠资格赛不论,马竞本赛季已经参加了欧冠小组赛6场、欧联淘汰赛6场共12场欧战,整体来看,马竞在12场欧战前取得4胜4平4负的战绩,其中不乏主场2比1力克巴萨,2比0轻取毕尔巴鄂等精彩演出,但是若只看客场,马竞8战则只取得1胜2平5负的战绩。
- 推荐网络例句
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They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.
他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。
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In slot 2 in your bag put wrapping paper, quantity does not matter in this case.
在你的书包里槽2把包装纸、数量无关紧要。
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Store this product in a sealed, lightproof, dry and cool place.
密封,遮光,置阴凉干燥处。