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Its contents included the study on tolerant characteristic to salinity, reproduction characteristic, growth characteristic, adaptable ability to environmental factor of high enriched brines (including chemical factor, physics factor, biological factor) and the survival and development law of D.viridis in the mud flat of Bohai Sea Gulf was investigated.

内容包括绿色杜氏藻的耐盐特性、繁殖特性、生长特性、以及对卤水生境因子(包括化学因子，物理因子，生物因子)适应性的研究，并初步调查了自然条件下在渤海滩涂上绿色杜氏藻的生存发展的规律。

Flow characteristic curve, flow-pressure characteristic curve of steering control unit and load-speed characteristic curve, null region of system are given through analyzing the static model.

在此基础上，对各元件和系统进行静态分析，得到转向器流量特性曲线，流量—压力等曲线以及转向系统的速度—负载曲线和死区范围等相关静态特性。

Third, grammar characteristic analysis of the psychological verb that LieZi . In the first part, we are only on the basis of studying to the verb semanteme characteristic of the pandect, through comparing with other kinds of verbs, summarize the seman teme characteristic of the psychological verb of LieZi briefly.

第一部分中，在对全书动词语义特点考察基础上，通过与其他类动词的比较，简要概述书中心理动词语义特征。

As a high-order, multivariable, nonlinear system, inverted pendulum's characteristic value distribution and the frequency range characteristic are similar to the singularly perturbed system's characteristic.

倒立摆作为一典型的高阶次、多变量、非线性系统，其特征值分布及频域特性非常类似于奇异摄动系统特点。

According to poisson distribution and percolation theory, we construct stock price model, and use characteristic function to prove the convergence of this model, we can get that the characteristic function of the constructed model converge on the characteristic function of the Black-Scholes function.

根据泊松分布和渗流理论构造了股票价格的随机模型，并利用特征函数的性质论证了该模型的收敛性，得出所构造的股票价格随机模型的特征函数收敛到某一个Black-Scholes公式的特征函数的结论。

In this paper the dynamic characteristic of quartz lamp heater and silicon controlled rectifier installations was addressed through theoretic analysis and test, and the static characteristic of quartz lamp heater was investigated through system identification; In foundation of studying controlled object＇s characteristic a kind of design procedure on nonlinear PID controller was found, it is applicable to arbitrary quartz lamp heating system.

本文通过理论分析和试验测试研究了可控硅功率调节装置和石英灯加热器的动特性，提出了通过系统识别的方法研究石英灯加热器的静特性；在研究被控对象特性基础上找到了对任意一个石英灯加热器组成的被控对象进行非线性PID控制器的设计方法。

After reviewing the previous dissertation on quantitative characteristic trait of recalcitrant seeds, three aspects of quantitative characteristic trait of seed recalcitrant were defined, which are interspecific aspect, intraspecific aspect and individual developmental aspect. And it was supposed that seed recalcitrance was a compound characteristic, with its core composed of desiccation tolerance, low-temperature tolerance and storage tolerance at least, and its concomitants composed of seed size, 1000-seed weight, moisture content at shedding, non-dormancy, systemic taxonomy, ecological and biochemical aspects. Because these core and concomitants are all gradual, transitional and quantitative, it was inferred that seed recalcitrance was a compound quantitative trait.

文章简要概述了从顽拗型种子到顽拗性种子这样一个对顽拗性种子认识提高的过程，在综述了前人关于顽拗性种子数量性状特征论述的基础上，把种子顽拗性的数量性状特征划分为种间、种内和个体发育三个层面，提出种子顽拗性是一种复合性状，其核心至少包括脱水耐性、低温耐性和贮藏耐性三方面的内容，其伴随性状包括种子尺度、千粒重、初始含水量、休眠特性、分类地位、地理分布和保护性物质含量等多方面的内容，而且这些核心内容和伴随性状的每一个方面都具有渐变的、过渡的、数量型的特征，从而阐明种子顽拗性是一种复合数量性状。

In the empirical analysis part, statistical descriptions on the sample funds are made firstly, which show that the actual distribution of each sample fund"s daily net value return possesses the characteristic of leptokurtosis. So it is necessary to add student T distribution and GED to capture such leptokurtosis characteristic other than normal distribution. Secondly, ARCH test shows that there exists volatility clustering in each sample fund"s daily net value return, so GARCH related models should be used to describe such volatility clustering characteristic.

实证分析部分首先对样本基金进行统计描述，得出其收益序列均存在尖峰厚尾特征，不服从正态分布，因此有必要在下面的VaR计算中加入T分布和GED分布来捕捉这种尖峰厚尾特征；并且经ARCH检验后得出收益序列存在明显的波动聚集性的特征，因此可以选择GARCH类模型来描述这种特性，经过模型筛选，得出最适合我国开放式股票型基金的收益波动性模型为GARCH(1，1)模型。

We introduce the notion of characteristic pairs and give the definition of dual characteristic pairs of Dirac structures on Lie bialgebroids. Using the dual characteristic pairs, we give the if and only if conditions for which a maximally isotropic subbundle of the double of a Lie bialgebroid is a Dirac structure.

本文在李双代数胚上，引入了Dirac结构的特征对并给出对偶特征对的概念，利用对偶特征对，给出李双代数胚double的极大迷向子丛是Dirac结构的充要条件；其次，分别利用特征对与对偶特征对，将可约Dirac结构分为第一类可约与第二类可约，在此基础上，建立Poisson流形的两类对应约化定理。

In the mobile communication system, the intermediate frequency signal results in the characteristic value is took the appraisal signal quality one kind of standard, how this topic main research is withdraws the intermediate frequency signal the characteristic value,as well as withdraws in the method in each kind to select superiorly withdraws the intermediate frequency signal characteristic value the method.

在移动通信系统中，中频信号得特征值是作为评估信号质量的一种标准，本课题主要研究的是如何来提取中频信号的特征值，以及在各种提取方法中选出最优的提取中频信号特征值的方法。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。