必要条件

The double low rapeseed is the essential condition for the international trade. Due to high quality negative with high yeild, it is not easy to develop cultivars with high yeild and high yeild.

双低成为国际油菜商贸的必要条件，但由于优质与高产的负相关效应，使得我国育成的双低油菜品种在产量上很难得到大的提高。

In this thesis, we analyze the zeroth order term of eigenpolynomial of linearized matrix, and a necessary condition for diffusion-driven instability of n-species of a reaction-diffusion system is attained by using the Routh-Hurwitz criterion.

本文我们讨论含有n(。23)个物种的反应系统，对系统在无扩散时稳定的平衡态解附近线性化，通过分析线性化矩阵特征多项式的零次项，根据Routh一Hurwitz准则，得到了零次项使系统产生扩散驱动不稳定性的必要条件。

What about God having a body of flesh and bones, God being married, men becoming Gods , temple participation necessary for exaltation, baptism for the dead, Aaronic and Melchizedek Priesthood , word of wisdom , and 3 degrees of glory?

那关於「神有个有骨有肉的身体」、「神结过婚」、「人变成神」、「参与圣殿是高升的必要条件」、「为死人洗礼」、「亚伦圣职和麦基洗德圣职」、「智慧语」和「三个程度的荣耀」呢？

At the beginning of the 21st Century, the changing of the modern war to informationization, require the concepts, contents and methods of army health service to adapt the variety by all means, and must need reform on the health service training and education; it takes the requirement that the development of health service theory on modern war with the change of the medicine mode, swift progress of medical science and technology, the constantly infiltration and application of information technique and modern administerial theories.

21世纪初，现代战争形态逐步向信息化方向转变，卫勤保障观念、内容和方法适应这种变化，必然要改革现行卫勤教育训练体系；医学模式的转变，医学科技的迅猛发展，信息技术和现代管理理论在卫勤保障领域的不断渗透和应用，促进了现代战争卫勤保障理论的发展，为改革现行卫勤教育训练体系提供了必要条件。

Examples of possible leadership, focusing on countries that are not part of the group of eight industrialised nations (this need not be a requirement, provided the individual has a strong international perspective), include: Montek Singh Ahluwalia; Leszek Balcerowicz; Kemal Dervis; Francisco Gil Diaz; Stanley Fischer; and Trevor Manuel.

可能的领导人选——聚焦于非G8国家（如果某人拥有较强的国际视角，那么这不是一个必要条件）——举例如下：印度的蒙特克·辛格·阿卢瓦利亚、波兰的勒茨克·巴塞罗维茨、土耳其的凯末尔·德尔维什、墨西哥的弗朗西斯科·希尔·迪亚斯、以色列的斯坦利·费西尔和南非的特雷弗·曼纽尔。

Sucrose and H3BO3 were essential for pollen germination of Alnus formosana.

蔗糖和硼是台湾桤木花粉萌发的必要条件

There is no reason to presume that the concepts that we explore by means of this method will turn out to be analysable in terms of necessary and/or sufficient conditions.

没有什么理由假定我们用这种方法来探索的那些概念，从必要条件和/或充分条件的角度来说，到头来果真是能够得到分析的。

We affirmed clearly and definitely that the universal moral law which represented by the three absolute orders is the necessary and sufficient conditions of legitimacy and the necessary prerequisites of reasonability of the leagal right, and then found the binding point among the freedom philosophy and economic analysation

明确肯定以合理理解的三大绝对律令为代表的普遍道德法则是法律权利正当性的充要条件及其合理性的必要条件，初步找到了法律的&自由哲学&与法律的经济分析之间的结合点，为法治国家的立法、执法及司法活动提供一种可能的纲要性指导。

Adopting uniform layout and information exchange standard to ensure that all of the development department can effectively share the information resource during the battleplan development can lead to the informatization of aviatic industrial corporation along the right way .

采用合理的规划和统一的信息交换标准来保障军机研制中各个部门之间实现信息资源的共享是航空工业企业信息化沿着正确的方向发展的必要条件。

Based on the experimental and numerical study on the boilover process, the necessary condition for boilover and the affecting factors on boilover was sorted out.

在实验模拟和数值模拟研究扬沸过程的基础上，分析了扬沸火灾的形成的基本必要条件和主要影响因素。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。