多单元的

In order to expand half space Green's functions with addition theorem, a high order approximation method is proposed for evaluation of reflection term of half-space Green's functions with far interactions.

采用高阶拟合方法将远区相互作用单元的半空间空域格林函数用级数表示，对高阶拟合项作加法定理展开，进而应用多层快速多极子算法。

Section B—2 Unit 11 What do you think of game shows?

教材分析：这是本单元的第二部分，生词也比较多。

Multiple cropping system is a special characteristic of agriculture in China, which has crucial function on feeding 22% people of the whole word by 10% cultivate field of the whole world.

中国农业能以占世界 10%的耕地养活世界上 22%的人口，多熟种植起着决定性的作用。复种指数作为耕地耕作能力的主要指标以及气候农业生产模型中的必需变量，一直是基于行政单元的统计，存在较多的问题，不易于评价与研究。

A memory device includes: a generator system having a number of generators that supply voltage or current to the memory device, a controller that supplies to the generator system a state control signal that commands the generators to be in an active state or a standby state, and a self-refresh oscillator that generates a self-refresh clock signal having a period suitable to refresh memory cells of the memory device.

存储装置包括：具有多个发生器的发生器系统，所述多个发生器被配置来给所述存储装置提供电压或电流；给所述发生器系统提供状态控制信号的控制器，所述状态控制信号命令所述发生器处于激活状态或备用状态；以及自刷新振荡器，该自刷新振荡器生成具有适于刷新所述存储装置的存储单元的周期的自刷新时钟信号。

Where larger sizes are required, multiple dampers sections are coupled together to operate in unison.Extended shaft for motorised drives, felt edge blades, damper position indicator and multi-modular units with alterate modules shut or open for use as mixing zone dampers.

在需要更大的尺寸时，可将多个风量调节器耦联，共同安装于延长驱动轴上，可感到叶片边缘和风量调节器位置指示器的作用，并借助可调节多模块单元的开、闭路作用，控制混合区域风量调节器的节气效果。

The enhanced two-photon absorption found in these chromophores was attributed to the fact that the multibranched chromophores had both an extended π-conjugated system and an increased intramolecular cooperative effect compared to the one-branched chromophore.

这些多枝结构化合物的双光子吸收截面较大，双光子吸收增强来源于多枝分子中扩展的π共扼体系和重复单元的协同效应。

The operating principle of cascaded multilevel converter is analyzed and an experi-ment platform based on DSP control is developed in this paper.

分析了多单元级联逆变电路的工作原理，研制了一套基于DSP控制的级联多电平逆变器的实验平台。

multi-channel correlators are widely used in traditional pseudo-random code cw radar,which makes the ranging system more complicated.this paper proposes a method of digitalizing the return signal directly and then convoluting the signals on dsp,which can replace multi-channel correlation in analog circuit.but the computation of convolution is too huge for the dsp to fulfill.to solve this problem,this paper analyzes five fast algorithms including fft,and then chooses one according to the characters of prc-cw radars.the digital method and fast algorithm have been verified by simulated signal and real signal.

一种提高空间伪码扩谱测距精度的实用。。。摘要：传统的伪码调相连续波雷达采用多路模拟相关电路实现对回波信号的相关接收，通过多路试探搜索各距离单元的目标，电路复杂。提出的数字化方案，对回波信号直接数字化，利用高速dsp实现数字卷积，可替代多路模拟相关电路。但是直接卷积的运算量过大，dsp无法承受。本文对此进行了研究，分析了包括fft在内的五种快速算法，结合prc-cw雷达的具体情况，确定了一种适于dsp实现的快速卷积算法。仿真和实测数据证实了数字化方案及快速算法的正确性。

multi-channel correlators are widely used in traditional pseudo-random code cw radar,which makes the ranging system more complicated.this paper proposes a method of digitalizing the return signal directly and then convoluting the signals on dsp,which can replace multi-channel correlation in analog circuit.but the computation of convolution is too huge for the dsp to fulfill.to solve this problem,this paper analyzes five fast algorithms including fft,and then chooses one according to the characters of prc-cw radars.the digital method and fast algorithm have been verified by simulated signal and real signal.

摘 要：传统的伪码调相连续波雷达采用多路模拟相关电路实现对回波信号的相关接收，通过多路试探搜索各距离单元的目标，电路复杂。提出的数字化方案，对回波信号直接数字化，利用高速dsp实现数字卷积，可替代多路模拟相关电路。但是直接卷积的运算量过大，dsp无法承受。本文对此进行了研究，分析了包括fft在内的五种快速算法，结合prc-cw雷达的具体情况，确定了一种适于dsp实现的快速卷积算法。仿真和实测数据证实了数字化方案及快速算法的正确性。

For that kind of slice-and-dice analysis, data marts use multidimensional databases geared for quick responses with multiple elements.

对于那种细微的分析，数据集市采用为快速响应进行修改的、拥有多个单元的多维数据库。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。