conditions of existence

Conditions for the existence of zeros of vector& valued functions

向量值函数存在零点的条件

The species that fail to adjust to the changing conditions of existence will gradually become extinct.

不能适应生存环境改变的物种会逐渐灭绝.

The third is the difference between the two in their actual conditions of existence.

第三,两者存在的实际状况不同.

But even muddling through extracts a price in terms of rendering the system less and less able to improve tangibly the miserable conditions of existence for the great mass of people.

这会使我们的社会体制越来越不能切实改善广大人民群众可悲的生活条件。

The existence conditions of helical equilibrium are discussed as a special configuration of the rod.

作为特殊的平衡状态,讨论杆的螺旋线平衡的存在条件.

By a new like-KAM theorem and the high dimensional Melnikov method, the conditions of existence of its invariant tori and chaotic streamlines are obtained.

通过一个新的KAM型定理和高维Melnikov方法，我们得到了此流中存在不变胎面和混沌流线的条件。

The optimal conditions and mechanism of leaching gold in existence of CL have been studied as well.

试验还探讨了浸出的最佳条件，并分析了添加剂CL对浸金机理的影响。

Existence Conditions and Equations of Similarity Solutions for Vertical Natural Convection Flows Induced by Buoyancy and Mass Diffusion From a Vertical Plane Group Theory Analysis for Laminar Natural Convection Flows from a Vertical Flat Plate

垂直平板由于热浮升力和质量扩散引起的自然对流方程组存在相似性解的条件和相似性解方程垂直平板层流自然对流的群论分析

The new and high technology industry is so unique in developing conditions that the developing layout of NHZ is of the same characteristics, in other words, the existence and development of it has an unique environment.

由于高新技术产业有其独特的发展条件，那么高新区的发展布局也具有独特的规律，即高新区的生存和发展有其独特的环境。

The problem on asymptotic periodic solutions of convolution type linear volterra equations is studed, and sufficient conditions for existence of asymptotic periodic solutions are given.

研究了线性卷积型Voterra方程的渐近周期解问题，给出了渐近周期解存在的充分条件。

As a Social Overhead Capital, urban infrastructure, urban economic and social undertakings an important basis for the development of modern urban existence and development of the basic conditions.

作为社会先行资本（Social Overhead Capital），城市基础设施是城市经济和社会各项事业发展的重要基础，是现代城市赖以生存和发展的基本条件。

Through laboratory tests, it is discovered that the quality of refined diesel oil reaches all the standards of the alkali wash method in existence ( acidity ≤ 5 mg KOH/ 100 mL) under fitting conditions.

经实验室研究，在适宜的工艺条件下，精制后的柴油质量达到现有碱洗工艺达到的各项标准，酸度≤5mg KOH/dL；

The existence conditions and definition region of a grey inverse matrix are studied. Additionally, the new concept of grey rank of a bounded grey matrix and its algorithm are proposed and the criteria for constant-full-rank, constant-non-full-rank, conditional-full-rank of a bounded grey matrix are given.

此外，本文又提出有界灰矩阵的灰秩的新概念与算法，建立了有界灰矩阵恒满秩、恒不满秩、条件满秩的判据。