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Therefore, the basal research during the preparation of catalysts is very important and necessary.

因此， 铱催化剂制备过程中的基础问题进行研究是非常必要和重要的，对铱催化剂的制备有重要的指导意义。

On a number of property management companies, the current capital base is still relatively weak, it is necessary to find a listed company to cooperate.

对一些物业管理公司，目前的资本基础仍然比较薄弱，有必要找到一个上市公司进行合作。

These works apply necessary base for the map matching and route planning.At last, using .NET platform and Visual Basic.

最后以。NET为开发平台，在嵌入式组件MapObjects的支持下通过Visual Basic。

One of the basic problems in the field of fuzzy control is to find out how many rules are necessary to get a good fuzzy controller.

一个好的模糊控制器需要多少条规则，这是模糊控制领域中的一个基本问题。

Changing the pattern of economic growth will be a basic and necessary solution.

大力转变经济增长方式是解决这一症结的根本途径。

We get to know the determining effects of the human capital characteristics and other system and conception factors to the inner and outer human capital externality. Basing on these, we point out that it's necessary to deal with the relationship of inner and outer human capital externality correctly.

为了弄清人力资本外部性的决定因素，我们首先利用因子分析方法对区域人力资本特征进行了概括，分析了人力资本特征及其他体制性、观念性因素对"区域内"和"区域外"人力资本外部性的决定作用。

A crib is necessary for when the baby gets older, but for a newborn a bassinet is a good choice to make.

1垛是必要的，当婴儿得到年纪较大，但对于新生儿一摇篮是一个很好的作出选择。

The bast fiber weave handicraft industry was an important part in the ancient economic life and the indispensable necessary for life in ancient times So it could reflect the economic situation of the society, especially handicraft industry economic situation at that time directly.

麻织业是经济生活中重要的手工业部门，麻织品是古代不可或缺的生活必需品，故能直接反映当时社会的经济尤其是手工业经济状况。

"This historic mission has been one of the highlights of our deployment," said Capt. Sam Howard, Bataan's commanding officer."We did all we could to make sure they had all the material and logistic support necessary to have a safe and successful fly-off."

巴丹舰指挥官Sam Howard上校称："这次的历史性的任务将成为我们历史上的光荣的一刻，我们将尽我们所能保证安全、成功地完成所有必需的材料和后勤保障物资的运送。"

The Confederation which was early felt to be necessary was prepared from the models of the Batavian and Helvetic confederacies, the only examples which remain with any detail and precision in history, and certainly the only ones which the people at large had ever considered.

人民起初感到甚为必要的邦联，在筹建时参照了巴达维亚和海尔维希邦联模式，这是历史上具体而明确地保存至今的邦联制的唯一样板，也肯定是广大人民曾经加以考虑的唯一例子。

" I' d like to get some rough idea about music in the baroque ear, please."

请简要介绍一下巴罗克时期的音乐，好吗？

The results showed that the peak latency and pattern of SEPs elicited by electrical needling in LI-l1 and MP were similar. The amplitude of SEPs elicited by electrical needling in LI-l1 was higher than that of MP. There was no obvious SEPs generation when MM was electrical needling.

结果显示，电针刺激曲池穴和其邻近桡侧伸腕长肌运动点诱发性脑电波的波形和波峰时间是类似的，只是穴位的诱发性脑电波波幅较大，而电针刺激非穴位点并没有明显的诱发性脑电位。