多级的

The key issue of decimation is how to realize the digital filter before decimation, especially for design and implementation of multistage decimation filter.

实现抽取的关键问题是如何实现抽取前的数字滤波，特别是多级抽取时滤波器的设计与实现。

The fuzzy-optimized, multi-objective and multilevel comprehensive evaluation model for the comprehensive benefits of water resources in irrigation area was established on the premise of improving the weight vector decision method of different layers.

针对灌区水资源综合效益的评价问题，对于不同层次权向量的确定方法进行改进，构建了改进的多级多目标模糊优选评价模型。

As a new type of pile based on multi-level bored piles, the squeezed branch disk pile has been marked economic and social benefits.

支盘桩是在多级钻扩桩技术的基础上发展而来的一种新桩型，具有显著的经济效益和社会效益。

A control system of stepmotor that enable operator to control displacement and adjust velocity discretionarily was designed, using the TMS320LF2407 chip and the step motor drive. This control system can control step motors.

论文从工程应用的角度出发，以TMS320LF2407A DSP芯片作为控制核心，结合专用步进电动机驱动器，设计了一套可控制的电动机，且具有位移控制和多级调速功能的步进电动机控制系统。

A multiple-stage dynamic phase adjustment method between source synchronization driving clock and date is proposed; it fits different operation frequencies and improves the system stability.

提出了一种源同步时钟与数据相位的多级动态调节技术，从而适应不同的时钟工作频率，增加了系统的稳定性。6。

Research on the interactive model for multi-level security policy focuses on the conversion and coordination mechanism between various policy models, and raises one policy management model based on a dual level policy mapping mechanism.

对多级安全策略互操作模型的研究初步探讨了安全网络环境中异构策略模型之间的转换与协调机制，提出了基于两级安全策略映射机制的策略管理模型。

In this paper, the traditional ABC and EOQ compared with modern VMI、JMI…… act ,and it will be convenient for enterprises to use the appropriate method of inventory control.

本文就传统的ABC法、EOQ法和现代的VMI、JMI法和多级库存优化控制进行对比分析，为企业采用合适的库存控制方法提供方便。

Firstly, basic characteristic circuit structures such as the iterative structure, the bus structure, the fan-in structure and the series structure are recognized automatically. Then, by multilevel clustering, hierarchical design is constructed from these basic structures.

首先对网表中最基本的迭代、总线、扇入和串联结构进行自动识别，然后将这4种基本结构按不同的组合方式进行多级聚类，最终建立起了网表的层次化结构。

Based on the Collins formula, the analytical propagation equations for a Gaussian beam through a multiple spatial filter system are derived by using the methods of the matrix decomposition and expanding the aperture function into a finite sum of complex Gaussian function .

以Collins衍射积分公式为基础，利用A0CD矩阵分解与物理实现的技巧，以及将硬边光阑窗口函数展开为有限个复高斯函数之和的方法，推导出了高斯光束通过多级空间滤波器系统的传输方程，并用数值计算加以说明。

For lanthanides in Am at pH 2. 7～2. 8. According to empirical distribution ratio model and proposed calculation method, flow sheets are proposed for the separation of Am and fission product lanthanides from power reactor and production reactor waste respectively.

7级萃取、3级洗涤2级反萃的多级逆流分馏萃取实验表明HBTMPDTP-TBP-煤油能够很好地萃取分离镅和镧系元素，在pH值为2.7～2.8时，镧系元素中镅的分离系数大于5×10〓，镅中镧系元素的分离系数大于2.5×10〓。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。