本文研究了组合学中实零点多项式的若干问题。
This thesis is devoted to the study of several problems on real-rooted polynomials in combinatorics.
一些问题虽然不是直接关于实零点的问题，但可以转化为实零点的问题。
Although some problems are not directly about polynomials with only real zeros, it can be inverted into polynomials with only real zeros.
第二章刻画了一类满足三项递归关系的实零点多项式序列的零点位置和零点重数的关系。
In the second chapter, we characterize the relations between locations and multiplicities of zeros of a sequence of real-rooted polynomials defined by a three-term recurrence relation.
本文给出一类适合于求解多项式实零点问题的神经网络。理论分析和模拟结果都表明，这类网络可实时求解多项式实零点问题。
A neural network model for computing real zeros of polynomials is presented. Both the mathematical analysis and the experimental results show that the proposed network is effective.
粉末冶金(图5.1)采用烧结工艺将金属粉末制成各种各样的零件。金属粉末放在封闭的金属腔(模具)中在压力下被压实。
Powder metallurgy (Fig. 5.1) USES sintering process for making various parts out of metal powder. The metal powder is compacted by placing in a closed metal cavity (the die) under pressure.
三家配售银行承诺在直至到期日的期间于营业时间内为零售债券提供作实买入报价。
The three placing Banks are committed to quoting firm bid prices for the retail bonds during business hours until the maturity date.
八家配售银行承诺于营业时间内为零售债券提供作实买入报价，直至债券到期。
The eight placing banks are committed to quoting firm bid prices for the retail bonds during business hours until the maturity date.
零件压实后通过烧结炉。
After compaction the components pass through a sintering furnace.
仿实平台的零体设计，采取了模块化的设计计划和功能开解的和略，形败否更旧、否扩铺的体解构造。
Simulation platform design used the modular scheme and function dispersing strategy, formed a system can update and expand.
平顺性是振动压实机械一个重要的性能，它与驾驶员的舒适性、零部件的可靠性以及使用寿命有着密切的关系。
Ride comfort is one of prime performance of vibratory compaction machinery, which is closely relative to drivers' comfort, reliability and life of parts of machinery.
针对不同的与燃气直接接触的发动机零件，介绍了具体的测点布置方案及测试方法，并对CA6DF 1- 27型柴油机进行了实机试验。
Detailed measuring point layout schemes and test methods for the different parts directly contacting with combustion gas are introduced and tests on diesel engine CA6DF1-27are done.
自财务角度来望，企业集团的实量特征非以产权为纽带而组败的无机零体。
From a financial point of view, enterprise Group are Commonwealth of enterprises which the characteristics are linked to property rights.
实义词的零重音常常被忽略，这是很多英语学习者难以说一口地道英语的原因之一。
In the natural and fluent English, the zero stress is more common than the other two, but the zero stress of the content words is often overlooked.
从异步发电机稳态运行的等效电路模型出发，列写了等效电路模型的回路阻抗方程，令回路阻抗实部和虚部分别为零，建立方程组。
Based on the model of equivalent circuit of a asynchronous generator at steady-state operation, the loop impedance equation of it are listed in this paper.
如果介电常数的虚部不等于零，则存在能量损失(不管实部为多少)，因而，可以认为该元件具备电阻性。
Finally, if the imaginary part of the permittivity is not equal to zero and so energy is lost (whatever the real part is), then the element can be thought of as having resistance.
每一个实作课程都不可以是零分，而且线上的实作问题都必需通过。
You must have a non-zero score for each lab and all on-line lab questions must be checked-off as a prerequisite for passing the course.
注意：1掌握数据输入、输出基本语句；2掌握数据补零的编程要求；3掌握实信号频谱对称性原理。
Note: 1 master data input, output of basic statements 2 master data zeros programming requirements 3 grasp the real signal spectrum Symmetry Principle.
最后将理论与实践相结合，对兰州市实创现代城社区零售商进行案例研究。
At last, take a Retailer in Lanzhou as an example , attempt to establish a combination of theory and practice.
最后将理论与实践相结合，对兰州市实创现代城社区零售商进行案例研究。
At last, take a Retailer in Lanzhou as an example , attempt to establish a combination of theory and practice.
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