以下为句子列表：
英文: Abstract: A new variable structure model reference adaptive control (VS-MRAC) scheme is proposed in this paper.By transforming a relative degree one system into a first-order-like differential equation,it is shown that the SPR (Strictly Positive Real)assu
中文: 文摘:提出了一种可具有非严格正实参考模型的变结构鲁棒自适应控制方案，可去除变结构模型参考自适应控制中普遍要求参考模型为严格正实或当相对阶大于1时参考模型经补偿后为严格正实的假设.在此基础上提出的变结构控制律可保证跟踪误差在相对阶为1时于有限时间内收敛到零，而当相对阶大于1时则可使跟踪误差收敛到一个残差集内.
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英文: Abstract: In this paper,a rigid plastic dynamicequations of the stucture subjected to impact by a rigid projectile areobtainedbased on the minimum principle in dynamics ofelastic-plastic continua with finite deformation.It is shown that the method is reli
中文: 文摘:应用有限变形的最小加速度原理，推导出了小变形或有限变形构件受到刚性飞射物撞击时的刚塑性运动方程，指出该方法具有直接、简捷和可靠的特点.
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英文: Abstract: In this paper,an orthogonal multicode wideband CDMA system modelincluding pilot channel based on chaos spreading sequences is given.Based on chaos sequences,with pilot channel inserted orthogonally,it is shown that the performance of the system
中文: 文摘:提出一种基于混沌序列含导频信号的宽带正交多码CDMA系统模型，利用混沌序列以及采用正交插入导频信号提高系统性能，并对此模型在衰落信道中的性能进行分析。
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英文: Abstract: Several new physics experiments in 1998 were performed and analyzed to showthe subtlety of quantum theory,including the “wave-particle duality” and the nonseparability of two-particle entangled s tate.Here it is shown that the measurement is bou
中文: 文摘:在1998年完成和分析的几个新的物理实验显示了量子理论的微妙性，包括“波粒二重性”以及二粒子缠结态的不可分性.本文的分析表明：测量在破坏原来存在于客体及其环境间的量子相干性时必然要改变客体.因而“物理实在”应在两个层次上定义：“自在之物”与“为我之物”.量子力学中的波函数则正起了通过“虚拟的测量”将这两个层次的物质联系起来的作用.
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英文: Abstract: The article discusses the views of the time-space-orientation of Wuxing (Five-Evolutive Phase),Yin-yang and Sifeng (Four-Wind),and its influence on traditional Chinese medical theories.It is shown that traditionl Chinese medical theories are dev
中文: 文摘:先秦社会的五行阴阳以及四风系统的时空方位观对中医理论发展有着很大影响，说明中医理论是在接受先秦时期科学技术思想及社会观念发展起来的，有许多内容尚待探讨，如仅用秦汉后的观点去认识是会有偏误的。
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