必要条件

The appropriate calcination temperature and the appropriate type of carrier are also necessary for highly active catalyst.

适当的焙烧温度与载体类型也是获得高活性催化剂的必要条件。

We cannot solve this problem only relying on the government, therefore we should adopt many ways of socialized financing mode, and among these, carrying out domestic waste charge is the most stable and reliable one, meanwhile, it also becomes all levels of government's necessary condition and basic guarantee in the refuse disposal.

单靠政府不能解决这个问题，必须采用多种渠道的"社会化"融资模式，其中实施垃圾处理收费是最稳定、可靠的融资渠道，是各级政府实现垃圾处理目标的必要条件与基本保证。

The application of the electronic commerce became the catena supermarket scale performance to obtain of essential condition.

电子商务的应用成了连锁超市规模效益取得的必要条件。

Cauchy problem and thendiscretize them in systems of ODEs.

我们给出了Nτ(0)-相容性的一个必要条件。

Reading into the text of Article 2.2.2 a requirement provided for in the chapeau of Article 2.2.2 is not justified either by the text or by the context of Article 2.2.2.

把条款2.2.2曲解为是为条款2.2.2起首条款规定的必要条件而设，这从条款2.2.2条文或是上下文中都不能证明是正当的。

Their essential component is the spirit of autonomy and equality that characterise our contacts in every area.

双方确定了全新的合作模式。独立和平等是双方各领域交流的必要条件。

Their essential component is the spirit of autonomy and equality that characterise our contact s in every area.

独立和平等是双方各领域交流的必要条件。

It is essential to construct a gastric substitute and maintain the food chyme flowing through the duodenum after total gastrectomy, and the FJI is a better choice in this study.

结果表明，使食糜流经十二指肠和代胃具有一定的储存食品容积是全胃切除术后消化道重建保持营养状态，提高生活质量的必要条件。

This paper is intended to discuss the fact that the electromagnetic field S space symmetry is the essential condition for finding the solution to the electrostatic and static magnetic fielde E、B by the direct use of Gauss law and Ampere s circuital law.

本文叙述了电磁场空间对称性是直接用高斯定理及安培环路定理求解静电，磁场中E、B的必要条件。

In this paper, the elemntary knowledge of oblique circulant matrix is described briefly and three inverse eigenvalue problems which a-re denoted by Ⅰ,Ⅱ,Ⅲ and best approximation problem which is denoted byⅣ on oblique circulant matrix are presented.

本文介绍了斜循回方阵的基本内容，提出了斜循回方阵的特征值反问题Ⅰ，Ⅱ，Ⅲ及其最佳逼近问题Ⅳ，给出了它们有解的充分必要条件及求解算法，并举出了相应的数值例子。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了