查询词典 a class of

Ureas''' or '''carbamides''' are a class of

在纺织工业中在染色和印刷过程中尿素是一种重要的辅助剂，它可以提高颜色的可溶性并使纺织品在染色后保持一定的湿度。

Ureas''' or '''carbamides''' are a class of

脲是含有

It is proved that the cavitated bifurcation equation is equivalent to a class of normal forms with single-sided constraints near the critical point by using singularity theory.

用奇点理论证明了，空穴分岔方程在临界点附近等价于具有单边约束条件的正规形。

The problem of spherical cavitated bifurcation was examined for a class of incompressible generalized neo-Hookean materials, in which the materials may be viewed as the homogeneous incompressible isotropic neo-Hookean material with radial perturbations.

[1]上海大学数学系，上海市应用数学和力学研究所，上海200072 [2]上海大学数学系，上海市应用数学和力学研究所，上海200072／／烟台大学数学与信息科学系，山东烟台264005

The writer carries on the related theories of the problem situation to study the big case foundation well up, with the situation cognizes and studies a class of theories for leading, and have three stages to launch to practical research; The first, the research into big case strategy of problem situation and the process of tiding up some materials in the chemistry teaching.

笔者在对问题情境的相关理论进行研究的基础上，以情境认知与学习理论为指导，分三个阶段展开实践研究：第一，化学教学中问题情境创设的策略研究和案例素材的整理加工，包括结合生活、生产和当前科学技术发展中的实际问题创设问题情境，从化学实验入手创设问题情境，利用化学史料创设问题情境，利用学生已有知识创设问题情境或引起学生的认知冲突等。

To act as brokers between foreign and native capital there came into being a class of entrepreneurs - the Chinese compradors, who were often landlords or bureaucrats or both.

中国买办阶级作为外国资本与本国资本之间的掮客出现了，他们先前往往不是地主就是官僚，或是身兼这两种身份。

HDS, which is viewed as an extension and development of DEDS, is such a class of complex systems in which discrete events and continuos state variables are integrated and interacted.

离散事件动态系统和混合动态系统是在一大批高技术的发展的推动下形成的一个新兴研究领域。

In the nineteen-sixties, several animal studies suggested that cyclamates, a class of artificial sweetener, caused chromosomal abnormalities and cancer.

上世纪六十年代的动物研究证明，甜蜜素——一种人造甜味剂，能导致染色体异常和癌症。

A class of stationary models of singular stochastic control is discussed, in which the functions in cost structure are not restricted to even functions, and the state processes are diffusions with "nonsymmetric" drift and diffusion coefficients.

该文讨论了一类奇异型随机控制的平稳模型，其费用结构中的函数不限于偶函数，其状态过程为扩散型且具有&非对称的&漂移及扩散系数。

A class of stationary models of singular stochastic control is discussed, in which the functions in cost structure are n ot restricted to even functions, and the state processes are diffusions with "n onsymmetric" drift and diffusion coefficients.

该文讨论了一类奇异型随机控制的平稳模型，其费用结构中的函数不限于偶函数，其状态过程为扩散型且具有&非对称的&漂移及扩散系数。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。