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The catalysts of supported 〓and 〓 were firstly used inthe etherification of FCC light gasoline.

将负载型磷钨酸和磷钨酸盐催化剂应用于催化裂化轻汽油的醚化反应。

Firstly, it starts with etymologic study of power and its evolution, and makes comprehensive understanding of the power's essence through the analysis of power's primary meaning, characteristics, integrant parts, classification as well as some related categories.

首先从权力的词源学及其演变入手，通过对权力的基本含义和特征、权力的构成要素和分类以及与权力相关的一些范畴的分析，对权力的本质有了较为全面地把握。

Firstly, from the point of contrast ,the thesis discuss the relationship between shuowen and etymological character of Gan dialects .

首先从历时比较的角度，探讨《说文》与赣方言口语本字的关系。

It is found that the variation of ocean circulation during an ENSO event is characterized by the mass cycle anomaly in the equatorial Pacific Ocean, with the anomalies of equatorial upwelling firstly appearing on the surface and subsequently spreading to the deep, and an eastward propagation of EUC anomalies.

本文在GFDL模块化海洋模式MOM2基础上搭建了一个水平分辨率为1°×1°（赤道地区经向分辨率1/3°）、垂直方向17层的全球海洋环流模式，首先在COADS气候月平均资料的强迫下进行了360年的spin-up积分，成功对全球海洋大尺度环流的多年平均态和季节变化特征进行了模拟。

An adaptive control algorithm is proposed for Stewart platform which is usually used to as a flight simulator. Firstly, the coupling force caused by the dynamics of the legs is compensated using the New ton Euler inverse dynamic formula, and the simple error dynamic is obtained.

针对应用于某型飞行模拟器的Stewart平台，首先利用Newton-Euler逆向力公式对平台动力学方程中形式复杂的连杆动态特性进行补偿，得到形式简单的误差动态系统。

Firstly, in terms of the gradualness, it was originated from the economic integration in some west European countries---the formation and development of EEC and European Free Trade Association , which led to the dual existence of the two integrative organizations in west Europe.

本文的写作目的，不在于全面、系统地阐述欧洲经济一体化形成和发展的过程，而是要循着欧洲经济一体化发展的总体脉胳，针对一些重要的现象和问题，进行深层次地分析和理论思考，以期进一步推动这一问题的研究。

Firstly, the two topics (Europeanization of MSC and translation strategies) are combined and discussed together.

第一，本文同时探讨了现代标准汉语的欧化和翻译策略这两个问题。

The additional score guidance of instrument usage was put forward firstly in 2001 and quantitative index was constituted in grade rule of international eurythmics in 2003. The new idea of grade reflects the re-understanding of the development of instrument in eurythmics.

在艺术体操的发展史上，2001年国际艺术体操评分规则中首次提出了对器械运用加分的导向，接下来2003年版规则又对器械加分动作全面、系统、分门别类的制定出了加分的量化指标，这一新的评分理念，打破了以往只在形式上呼吁要加大器械运用的难度而无法体现加分量化的客观依据的评分局面。

The status and significance of euthanasia is firstly social and is an important component of the human civilization development.

安乐死的地位和意义首先是社会的，是人类文明发展的重要组成部分。

Practicability of Surface Evolver in evolving prediction of SMT solder joint is reviewed and validated. Chapter five: finite element analysis method based on minimal energy principle with application of Surface Evolver is firstly used in evolving prediction of the kind of BGA solder joint shape.

基于最小能量原理的有限元数值分析方法与边界值积分数学分析方法相比，能更有效地求解各类SMT焊点三维形态成形预测问题，并具有很好的热应力分析延续性和良好的分析精度。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。