查询词典 comparison

This research comparison the ASTER and ETM+ data used in the classification of the land use of Guangzhou Huadou.

本研究从ASTER数据和TM／ETM+数据分析广州花都区土地利用分类中的应用对比分析。

Before the treatment the comparison, the patient regards the thing dim-sighted, two items to do astringently, regards Yi Jue to be weary, the eye eyelash incapable symptom has the distinct improvement; the fundus examination condition has not seen the aggravation, not obvious newborn vascularization situation.

和治疗前比较，患者视物昏花、两目干涩，视物易觉疲劳，眼睫无力症状得到明显的改善，眼底检查病情未见加重，无明显新生血管形成情况。

Since China would finish its industrialization and have a well-functioned capital market in place as of 2020, and in comparison of the market rate of return in the United States, it suggests that there is a 12% asymptote for the rates of return in both Stock Exchanges.

然后，结合我国钢铁类上市公司的内在价值分析，讨论了解决我国企业系统风险测量问题的一种思路，即先确定整个行业的系统风险，再以行业的测量结果为基础，确定个别企业的系统风险。

In this article, we mainly discuss the asymptotic behavior, existence for nonoscillatory solutions and comparison theorems for oscillation.

本文主要讨论测度链上高阶时滞动力方程的渐近性、非振动解的存在性以及振动性的比较定理。

In chapter 2, we sets up the convergence theory of the alternating method for solving Hermitian positive definite systems of linear equations, and establishes the corresponding comparison theorem on its asymptotic convergence rate.

第二章首先介绍当系数矩阵是Hermitian正定矩阵时经典交替迭代法的收敛理论和相应的比较理论，同时我们给出了当分裂不同时对迭代渐进收敛率的影响。

AME (Asymptotic Multiuser Efficiency) is an important factor to evaluate multiuser detector. From this point of view, performance comparison among multistage multiuser detector, decision feedback multiuser detector and linear decorrelating multiuser detector is done here.

评价多用户检测器性能的一个重要的指标就是渐近多用户效率，本文第一次从渐近多用户效率的角度分析对比了多级多用户检测器、判决反馈多用户检测器和线性解相关检测器的渐近多用户效率。

In comparison to the asymptotic formula for the independent case,ours contains an extra factor representing the impact of the dependence of X and Y.

我们的结果显示，当单个索赔额分布F为指数分布时，上述尾概率均与gamma分布尾概率与某因子的乘积渐近等价。

In this paper,by using the comparison theorems and constructing suitable Lyapunov function, the sufficient conditions are obtained for the permanence and existence of globally asymptotically stable positive periodic solution of the system.

研究了具有反馈控制的n种群非自治周期竞争系统的持续性，利用微分不等式并构造适当的Lyapunov函数得到系统存在惟一、全局吸引的正周期解的充分条

This paper consists of three parts:We first consider the non-autonomous predator-prey system with both Beddirigton-DeAngelis functional response and dispersion. By using comparison theorem of differential equation, we study the permanance of the system. After that, by constructing suitable Lyapunov function, we obtain some sufficient condition which guarantee the existence of globally asymptotically stable almost periodic solution of the system.

本文研究三方面的内容：第一部分考虑具有扩散和Beddington—DeAngelis功能反应的捕食-食饵系统，利用微分方程比较原理得到该系统一致持续生存的条件；通过构造适当的Lyapunov函数得到了该系统存在全局渐近稳定概周期解的充分条件。

With the help of comparison theorem, sufficient conditions which guarantee permanence of the system are obtained. For the almost periodic case, by constructing a suitable Liapunov function, we obtained that the system has a unique globally asymptotically stable positive almost periodic solution. Finally, we study a multispecies predator-prey system with stage structure and Holling II type functional response.

第二部分考虑具有阶段结构的非自治扩散捕食系统，利用比较定理得到该系统持久生存的充分条件，其后在概周期情形下通过构造合适的Liapunov函数得到了保证该系统存在唯一一个全局渐近稳定的概周期解的条件。

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。