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Compared with the other crops, wheat was hard to establish higher efficient regeneration system and the genetic transformation of wheat was the stage of establishment and improvement, which were main factors that hinder the development of gene engineering of wheat.

但与同类作物相比，小麦不易建立高效成株体系，且小麦遗传转化仍处于建立和优化完善体系的阶段，是妨碍小麦基因工程顺利开展的重要原因。

The continuity of the water system, avoiding any sort of input to the understorey via irrigation for filtering in order to hinder the potential emergence of invasive species.

在供水系统的连续性，避免通过过滤，以阻止外来物种可能出现灌溉任何方面的意见，对下层。

Today I didn't attend the first practice with the National team due to a contusion to my left knee playing in Piacenza but it won't hinder my performance tomorrow in the scrimmage.

今天我没有参加国家队的第一堂训练课因为我的左膝在对Piacenza 的比赛中受了上，不过这不会影响我明天的热身赛。

The "materialism" of the stock exchange and of business accountancy does not hinder anybody from living up to the standards of Thomas a Kempis or from dying for a noble cause.

股票交易所和公司行号的会计人员的「唯物主义」，并不妨碍谁去追随Thomas a Kempis（德国的一位牧师和著作家，1379-1471）的生活方式，也不妨碍谁为一崇高的理想而以身殉。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。