必要条件

Government credit is an important part of social credit system.

摘要政府信用是社会信用体系的重要组成部分，建设和提升良好的政府信用既是保障社会稳定和促进经济发展的必要条件，也是入世对我国政府的基本要求。

Sufficient and necessary conditions for the solvability of the disturbance decoupling problems are derived, respectively.

3第三章讨论了上述三类奇异系统的干扰解耦问题，分别推导出各类系统干扰解耦问题可解的充分必要条件。

In this paper, the author gives sufficient and necessary condition of solvable group using the weak c-normality of maximal and Sylow subgroup and gets some results about supersolvability and p-nilpotentlity of groups

作者研究了弱c-正规的性质并用Sylow子群和极大子群的弱c-正规性来确定一些群的结构，给出了一个群为可解群的充分必要条件，同时由极大子群、Sylow子群的弱c-正规性得到群G p-幂零、超可解的有关定理。

A system of public participation in legislation is the satisfying condition, and sound law enforcement mechanism is the necessity to realize the function of law incentive.

其实现的充分条件是建立立法的公众参与制度，而健全的法律实施机制则是法律激励功能实现的必要条件。

At last, we provide the upper semi-continuity and compactness of the spectral scalar solution set mapping under some suitable conditions, and the necessary and sufficient conditions to guarantee the lower semi-continuity of the spectral scalar solution set mapping by virtue of the concept of essential solution.

最后，给出了谱标量解集映射满足上半连续且紧的充分条件及下半连续的充分必要条件。

The cause occurred the burr in the external surface of spinning tube was analyzed.

通过对圆筒旋压过程工件外表面出现有规律状的毛刺产生的原因分析，提出了加工高精度的旋压毛坯是旋压高精度工件必要条件。

The speech was also Huxley's attempt to define an orthodox Darwinian position on the question, and attempt to define as "non-Darwinian" all those Darwin supporters who believed that spontaneous generation up to the present day was an essential requirement of evolutionary science.

赫胥黎在这篇演讲中也试图在这个问题上划定正统达尔文学说的位置，并试图将"非达尔文者"划定为那些相信自然发生说直至今日仍是进化论的必要条件的达尔文支持者。

Firstly, democracy can build a good, stable and lasting social order, which is essential to economic development.

本文认为，民主能够营造良好的、稳定的、持久的社会秩序，而这种秩序是社会经济发展的必要条件；民主可以发挥人的积极性，塑造具有责任心、富有创造性的国民，从而充分发挥绝大多数国民的人力资源，而充足的、高质量的人力资源是经济发展的绝对优势；民主可以最大限度地降低政府成本，从而直接间接地提高社会财富总量；民主政治的运作成本往往低于非民主政治的运作成本。

Forced to leave Nikolsburg in 1529, the Stabler pooled their few possessions as a survival necessity.

被迫离开Nikolsburg在1529年，汇集了斯特布勒他们几个的财产作为一个生存的必要条件。

The first requirement of a statesman is that he be dull. This is not always easy to achieve.

要成为政治家，第一必要条件是他必须乏味，不过那是不容易达到的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。