查询词典 exponential

The coefficient of non-algal particulates is decreasing with the increase of wavelength, which can be described by exponential law.

非藻类颗粒物的吸收系数随着波长的增大而减小，可用指数衰减规律来描述；光谱斜率S较离散，但平均值与文献报道的一类水体S的平均值很接近；光谱截距ad0(λ0)随盐度增大而减小，二者有很好的线性关系。

In particular since the 20th century computer technology hardware and software is an irresistible computer hardware from the original Pocket PC into a monster all kinds of equipment to deal with the computing speed and capacity are shown the growth of the exponential law trends; software computer applications quickly spread from the original dedicated to the expansion of can be seen everywhere today today's computers covered almost all areas of life production.

特别是20世纪90年代以后，计算机软硬件的技术更是不可阻挡，计算机硬件方面，从原来的庞然大物演变成了掌上电脑，各种设备的运算速度和处理容量更是呈现出了指数规律增长的趋势；软件方面，计算机的应用领域迅速扩散，从原来的专用扩展到了今天的处处可见，今天的计算机几乎覆盖的所有的生活生产领域。

This paper presents a new type control method-the mixture trending law,which based on the exponential trend law,variable rate trend law and the saturated function.

在分析2种控制不足的基础上，提出了基于指数趋近-变速趋近-饱和切换函数的混合趋近控制律，并进行了对比仿真试验分析和实验研究。

By applying the proposed control law to discrete-time variable structure control systems, the stability of origin and steady of systems are better than the exponential rate reaching law and proportional-constant-variable rate reaching law.

应用该趋近设计变结构控制系统，其原点的稳定性和系统的平稳性都优於指数趋近律和比例－等速－变速趋近律。

The modified exponential approach law method is employed to design controller. The simulation result demonstrates that the method in the paper is a viable and attractive control strategy for seismically excited tall building.

最后用两个数值算例分别对改进的指数趋近律方法和带有补偿器的滑模控制设计方法进行了仿真，结果表明两个方法都是有效的。

The sediment yield rate of forage grass slope decreases with the duration of rainfall following a relationship of exponential law.

裸地坡面的输沙率随降雨历时呈高-低-高变化，而草地坡面的输沙率则随降雨历时呈幂函数递减。

The tp-σrelation seems to follow an exponential law.

裂纹扩展期与外加应力大体有指数关系。

In this paper the structure principle of GM(1, 1) was analyzed and the defect was pointed out that the traditional model only adapt to the data with exponential law, and only can fit for the monotonic data. The prediction is defected when there are two consecutive data unchanged, and 'a' is equal to 0.5 in prediction formula.

从传统GM(1，1)预测模型构造原理出发分析其存在的理论缺陷，此模型适用于具有较强指数规律的序列，只能描述单调变化过程，而且预测数据序列中出现连续两个相等值时将使得a等于0，会使预测数列发散致使预测失效。

The variation of flow stress as a function of deformation temperature and strain rate can be described as an exponential expression.A processing map is developed on the basis of hot compressing data and by using the principles of dynamic materia...

实验结果表明在试验参数范围内存在三个特征区域：一个加工安全区：动态再结晶区；一个加工失稳区和一个不适合热加工的低耗散效率区，并根据热加工图对 GH4648合金的热变形工艺进行了初步设计。

By extending the square map, a one-dimensional generalized square map with exponential factor is constructed, and its corresponding two-dimensional map is obtained via one-order coupled item in this paper.

由平方映射延伸构造出了一类含指数项的广义平方映射，并由一维映射通过一次耦合项得到了二维映射。

After explaining total design of automated test system for microcircuit , the thesis introduces GPIB standard .

文章在说明了微电路模块自动测试系统的总体设计后，对GPIB标准进行了介绍。

He interceded in my behalf.

他替我说情。