基本参数

In Chapter IV and Chapter V, we study a deformed t-J model by use of bosonization and renormalization group methods.

文献[1]的作者用玻色化方法和重整化群技术讨论了上述模型在形变参数和J都很小的时候的基本性质。

Actually, the reparametrization method of Bézier surface is included in the theory of BBC surface. In this sense, the theory of Bézier surface is consummated and a simple reparametrization tool of Bézier surface is given.

对它的研究丰富了Bézier曲面的基本内容，同时提供了一种计算简单、操作方便、适用范围广泛的Bézier曲面重新参数化工具。

For the optimal quantities, we study the impact of the parameters, such as the per unit purchase cost, the per unit sales price, the per unit salvage value, and the variation of demands, and get

最后，我们通过大量的算例对最优采购量的基本性质和比较分析的结论进行验证，并分析各参数对采用替代策略效果的影响。

To solve the problem of identifying weak signals with large parameters,principle of stochastic resonance is studied.Conception and realization of scale transformation stochastic resonance are proposed.

为解决大参数微弱信号的识别问题，在研究随机共振基本原理的基础上，提出了变尺度随机共振的概念并给出了实现方法。

Mean scatterer spacing is an important parameter for describing the biological tissues miciostractuial features and tissues ultrasonic scattering characteristics.

生物组织散射元平均间距是描述生物组织微观结构特性和生物组织超声散射特性的重要参数，生物组织的超声散射特性研究是生物医学超声学中最基本最重要的课题之一。

The studies direction of new film materials is determined. An indirect measuring method is proposed, which can be used to investigate the secondary electron emission properties and stability of protecting layer by measuring the discharge characteristics and accelerated aging mechanism of AC PDP.

而计算机模拟可以不必利用昂贵的实验测试就能深入了解改变系统性能的基本趋向，因此可以减少实验成本，缩短研究周期，为AC PDP放电单元和驱动系统的改进以及其他参数的确定提供理论依据和方向，具有非常重要的意义。

Three basic effects were introduced in this paper: Seebeck effect, Peltier effect, Thomson effect. Some important performance parameters of the thermoelectric generator and the thermoelectric cooler were also introduced.

本文对三个基本效应作了较详细的介绍：塞贝克效应、珀尔帖效应和汤姆逊效应，并且，详细介绍了温差发电器和温差电制冷器的重要参数。

Large amplitude seiches ; Basic characteristics ; Seiche parameters ; Main bays ; Bohai and Yellow Seas

大振幅假潮；基本特征；假潮参数；主要港湾；渤海、黄海

The water-level curves from 20 tide-gauge stations along the coasts of Bohai and Yellow Seas were collected.The seiche parameters were selected according to these water-level curves obtained.

基于港湾假潮振动的基本原理，从渤海、黄海沿岸 2 0个验潮站多年水位自记曲线资料获取假潮参数，并对其做了统计分析，给出了假潮的统计特征，还讨论了假潮形成的初步原因。

Set off from the function request analysing the instruction fuse, have done more detailed introduction first to it's every ingredient; The design and concrete parameter having followed , carrying out a scheme on the circuit directing fuse power source boosting circuit , host to get angry , electricity basics circuit such as insurance circuit , self-destroying circuit , self-deactivating circuit here on the basis, are chosen; Constitute every circuit optimization finally, having become a overall circuit module

从分析指令引信的性能要求出发，首先对其各组成部分作了较详细的介绍；随后，在此基础上，对指令引信的电源升压电路、主发火电路、电保险电路、自毁电路、自失能电路等基本电路进行了方案设计和具体参数选取；最后，将各电路优化组合成了一个整体电路模块。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。