在数
- 与 在数 相关的网络例句 [注:此内容来源于网络,仅供参考]
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First, the partial derivative is defined, based on the convergence in probability measure in the probability measure space.
本文首先在概率测度空间上,利用依概率测度收敛,定义了多随机变量函数的偏导数,并且偏导数的计算式可以通过替换实值函数的对应的偏导数中所有的实变量替换为随机变量得到。
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It investigates mainly the dualinvariant of λ- multiplier convergent series, the full invariant ofλ-multiplier convergent series, the λ- multiplier convergent series in spaceswith a basis, the compact sets in the infinite matrix topological algebras, thecharacteristics of have the same compact sets in different topologies,the weak sequentially completeness of , the characteristics ofSchur-matrices, the characteristics of p- uniform Toeplitz matrices and theEberlein-Smulian theorem in the locally convex spaces, etc.
主要研究了〓数乘收敛级数的对偶不变性,〓数乘收敛级数的全程不变性,有基空间中的〓数乘收敛级数,无穷矩阵拓扑代数〓中的紧集,〓在不同拓扑下具有相同紧集的刻划,〓的弱序列完备性,Schur—矩阵的刻划,p-一致Toeplitz矩阵的刻划以及局部凸空间上的Eberlein—Smulian定理等。
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In order to improve the accuracy, an idea raised on the interview is how the monthly increasing numbers of the customer impact the traffic of incoming call to the center. Collecting the monthly data from the Ministry of Communication, data covering the period of May 2000 through December 2001. Originally constructed the forecasting model with transfer function, the cross correlation function technique is demonstrated to the customer-traffic relationship, with particular focus on the customer lag structure. The result shown that the numbers of the customer in the third month will significantly effect upon the present call volume .
为了增加预测的精确度,从访谈得一假设在过去1、2个月新成长的客户数将对当月的话务量变化造成影响,所以从交通部统计处搜集TCC客户成长月资料,资料区间从民国八十九年五月至九十年十二月,欲建立电信公司的用户数成长数与服务电话的话务量变化之转换函数模式,但是以交叉相关函数方法显示的结果却是未来三个月预期的客户成长数将会对当月份的话务量变化造成显著的影响,以此作为本研究的发现。
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Results revealed that the large side insulation of the stator bar in slot is available for ultrasonic pulse-echo testing; Coupling transducer on the surface of a practical stator bar could minimize the influence on the measurements of velocity, contributing no destructivity of the ultrasonic testing for stator insulation; The simultaneity of same velocity and higher attenuation can be used to detect insulation delamination from conductors; Compared with the wide sides of the bars in slot, the short sides of the bars near the exit from slot and the end bars had a same velocity and a higher attenuation; The velocity might be exactly measured on the shot sides of the bars near the exit from slot and the end bars, while the attenuation might not, which were examined though filed tests; V min decreased greatly and V av decreased slightly with the service time of the bars.
在实验室对线棒多种结构处的主绝缘和不同运行年数(未老化、16、18 和23年)线棒的主绝缘进行了低频超声反射法检测试验,并进行了现场试验,发现(参见 Hao et al, IEEE DEI, to be published),槽部线棒的宽面绝缘不受换位绝缘的影响,比窄面绝缘更适合超声测量;线棒表面平滑的半导体层减小了耦合剂对超声测量的影响,实现了无损性;波速不变而声衰减减小可以检测线棒出现绝缘与导体脱壳缺陷;出槽口和端部线棒的窄面绝缘与槽部线棒的宽面绝缘相比,声衰减大而波速一致;现场试验验证了波速不受绝缘结构和现场测试条件的影响,而声衰减受以上因素影响很大(参见 Hao et al,中国电机工程学报, Vol.23 No.4); V min 随运行年数明显减小, V av 随运行年数慢慢越小。
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Application of differential coefficient in inequation verification;2. It also elaborates what should be pay attention to while making use of this method to obtain differential coefficient .
本章给出了由分段函数直接求导数再取极限求函数在分段点处导数的方法,并就利用该方法求导数时需要注意的问题进行了说明。
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And the influence factors such as suspension concentration,operating pressure,Reynolds number and Euler number were established.
结果表明,死端过滤速率衰减模型中过滤速率与时间呈幂函数关系、而十字流过滤速率衰减模型中过滤速率与时间则呈一次函数关系,死端过滤时悬浮液浓度和气压过滤压力对其过滤速率衰减模型系数的影响均呈三次函数关系,在十字流过滤时悬浮液浓度、操作压力以及雷诺数对模型系数b的影响均呈线性关系,轴向流十字流过滤速率衰减模型系数b与欧拉数呈反比,而旋转流十字流过滤时则模型系数a与欧拉数呈反比关系。
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The number of strokes per flash does not show a exponential decay distribution.
结果表明,每次地闪回击数频率分布并不表现为简单的指数衰减特征,回击数在 5次以下的各回击数出现频率几乎相当,单次回击地闪的比重只有约 1 5 %。
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In recent years, along with the intensive study and extension of residue theorem, the residue theorem has been more intensively used, which illustrates the importance of residue theorem and its use value to a certain extent
近年来随着留数定理的深入研究与推广,留数定理得到了愈加广泛的运用,这在一定的程度上也说明了留数定理的重要性及其运用价值
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Through model test and data analysis, it is found that the precision of the FFT method is much higher than that of the Fourier Series method in vertical derivative calculation.
通过模型试验和数据分析,发现在计算垂向导数时波数域求导算法的精度比傅氏级数的精度有明显改善;而水平导数的计算,2种方法的精度相当。
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The processing principle and method of slotting gear--grooves for big modulus gear wheel with combined milling cutter on a large--scale hobbing machine was put forward in the paper.
提出了在大型滚齿机上。用片铣刀组粗切大模数齿轮齿槽的原理及其工艺。使大模数齿轮的加工效率提高1~2倍。为大模数齿轮的高效加工开创出一条新的途径
- 推荐网络例句
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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.
最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。
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Only person height weeds and the fierce looks stone idles were there.
只有半人深的荒草和龇牙咧嘴的神像。
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This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.
这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。