查询词典 sum of series

By intercepting finite sum of the optimal control series, a suboptimal control law for the system is obtained.

通过截取最优控制级数的有限和获得原系统的前馈-反馈次优控制律。

In footnote 5 we showed that the sum of such a series is a /(1 - x ).

在脚注5中我们演示了如此一个数列的和应是 a /(1 - x )。

We define the sum of the infinite geometric series...

我们把无穷几何级数的和定义为。。。

Product sum of geometric series.

几何加权级数的乘积和。

The object of this paper is to derive a general formula to evaluate the sum of the series wherein N may be any positive integer.

的求和。本文目的在于得到一个N为任意正整数的通式，对于任何N均可直接套用，而且这个结果也可作为一个不难实现的计算机用算法。

To meet with the requirement of the tourists during the Expo '99, Yunnan people's government has invested a large sum of money into a series of complementary infrastructure.

为保证99世博会游客的旅游需要，云南省投巨资建设了一系列配套设施。

Marketing Channel just acts the role as companies' logistics in marketing activities. Marketing channel means the sum of a series of independent organizations and units which are founded to transmit the manufactured products from the companies to the customers.

市场营销渠道便是企业市场营销活动的后勤，所谓市场营销渠道是负责将企业生产的产品转移到消费者手中的一系列独立组织或单位的总称。

Dj.iciba.com8.to meet with the requirement of the tourists during the expo '99, yunnan people's government has invested a large sum of money into a series of complementary infrastructure.

为保证99世博会游客的旅游需要，云南省投巨资建设了一系列配套设施。

After series of strict field investigation and market analysis, Bago Group decided to expand its investment in China and spent a large sum of money in establishing the new factory and setting up Guangdong Zhongshan Bago Electric Appliance Co., Ltd.

经过一系列严格的实地考察以及市场分析，BAGO集团决定在中国扩大投资，注入巨资建成新的工厂，成立了广东拜高电器有限公司。

An ultrashort pulsed-laser beam is composed of a series of monochromatic continuous waves. According to Parseval theorem, the time-averaged intensity can be calculated by the sum of the intensity of these monochromatic continuous waves. Then we derive an equation to study Talbot effect of a grating illuminated by an ultrashort pulsed-laser beam.

我们采用了频谱分析法，即把超短脉冲光波看成是由一系列的单色光波组成，根据Parseval定理，光栅Fresnel衍射的平均光强由一系列的单色光波的衍射光强之和而求得，这样我们给出了一种分析光栅在超短脉冲光波照射下泰伯效应特性的方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。