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To develop Linear Fractional Transformation model based on quasi-linear model for ground-to-air missile, state transformation method was used to establish quasi-Linear Parameter Varying model for missile longitudinal short-period dynamics by changing missile states along with an equilibrium trajectory decided by time-varying parameters. Based on the obtained quasi-LPV model, the LFT model of the missile was developed by use of MATLAB functions, and the missile dynamics were explicitly separated into certainty part and time-varying parameter part.

为了建立基于准线性化模型的地空导弹线性分式变换模型，采用状态替换方法将导弹的状态沿着一条由时变参数决定的平衡点轨迹进行变换，建立了纵向短周期动力学的准线性参数时变模型；基于所建立的准LPV模型，采用MATLAB函数建立了导弹的LFT模型，将导弹动力学明确描述为确定性部分和时变参数部分。

Part of our weakness has been due to the philosophy of free speech we picked up, part to our slow emergence from, in Walter Lippmann's phrase, a minor craft to an underdeveloped profession

导致我们的弱点的部分原因是我们所遵循的言论自由哲学，另一部分原因--借用沃尔特·李普曼的话--是我们将新闻业这一雕虫小技发展成为一种发达的专业这一过程太慢。

In 1994, Los Alamos National Laboratory, National Institute of Standards and Technology and Cryenco company in the USA achieved great development in which part of the natural gas was burned to drive thermoacoustic driven pulse tube to liquefy the rest part.

但是我国在这方面的研究尚未展开。正是在这样的背景下，本文展开了燃气驱动混合型热声发动机的实验研究，为热声发动机用于空调系统的研究做准备。

Oxygen is the most important part of air, just as water is important part of liquid.

氧气是气体中最重要的一种，正如水是液体中最重要的一种一样。

On the basis of Part One, I made a rational evaluation of Chi Lis works in part Two.

下篇在上篇文本解读的基础上，对池莉创作作了适当理性的审视。

Second part. this part is literate the teaching theory to rest on.

第二部分，是识字教学的理论依据。

Fifth part. This part is literate the teaching practice to study.

第五部分，是识字教学的实践研究。

Connecting two stars in the far part of the Big Dipper will lead one to Polaris, the North Star, which is part of the Little Dipper.

利用北斗七星杓口两颗星的连线可以找到位於小熊座的北极星。

Use the PRO/E software, we has been done the 3D solid part making , including the base, locomote and cutter system. We also make the virtual reality locomotion and simulation successfully based on the 3D solid part making.

本文应用Pro／Engineer软件的建模和动态模拟仿真分析等模块，成功地实现了底座、XY进给系统及刀具系统的3D设计，并要此基础上进行了数控铣床0部件的虚拟装配及运动仿真。

It has mainly two parts: the lossy compression part and the lossless coding part.

小波变换是近年来信号分析领域兴起的一种新的数学工具。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。