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PR
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与公众的关系, 公关\n【计】 模式识别, 实际记录, 前缀, 程序寄存器
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详细解释：
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以下为句子列表：
英文: A list of China's IPR laws, administrative regulations and department rules to be revised and abolished was hereby notified to the Working Party.
中文: 将要修改和废止的知识产权法律、行政法规和部门规章的清单在此通知工作组。
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英文: 12 Apr 07 - Pictures, postcards, paintings - anything that reminds you of the nostalgic golden lifestyle of Shanghai in classic times.
中文: 无论你现在何方，只要是任何能让人联想到上海生活的图像都欢迎加入分享。
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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: Design ideas,technical features and system architectures of advanced process control for polypropelene units were introduced together wit h on-line calculations for the controlled variables such as the yield of polypr opelene,concentration of mo
中文: 文摘:介绍聚丙烯装置先进控制技术的设计思想、技术特点和系统构成，并介绍产率、浆液浓度、液相氢气浓度、熔体流动指数等被控变量的在线计算，指出了实施中应注意的问题。
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英文: Abstract: Unsaturated polyester with low shrinkage composied of anti-shrinking agent,thermoplastics,dispersion-stabilizer,a kind of graft copolymer made from styrene and saturated polyester,shaped like a comb for its molecular structure and UPR in certain
中文: 文摘:研究了当用热塑性树脂作为不饱和聚酯树脂低收缩剂时，合成了以苯乙烯为主链，聚酯为枝链的梳状接枝共聚物，作低收缩剂的分散稳定剂，配合相应组成的不饱和聚酯树脂得到了具有低收缩特性的不饱和聚酯组成物。
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