以下为句子列表：
英文: ABSTRACT： Based on the problems and new chances of urban open space in Kaifeng city, the spatial organization of urban open space in Kaifeng city is analyzed systematically from macro-level, medium-level and micro-level, mainly from macro-level and medium
中文: 摘要：基于目前开封城市开放空间存在的问题和面临的新机遇，本文以宏观和中观尺度为主，对开封城市开放空间进行了系统的空间组织，以适应当今城市发展的潮流。
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英文: A two-level genetic algorithm and a two-level coding technique were developed for resolving optimization.
中文: 提出了采用两级遗传算法和两级编码的模型求解算法。
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英文: 74 explores time-dependent quantum mechanics and spectroscopy. Topics covered include: perturbation theory, two-level systems, light-matter interactions, relaxation in quantum systems, correlation functions and linear response theory, and nonlinear spectr
中文: 74探索与时间相关的量子力学与光谱学，课题包含：微扰理论、双能级系统、光与物质之作用、量子系统的松弛过程、相关函数与线性响应理论，以及非线性光谱学。
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英文: A new approach is provided for parameter design of two-level isolation system impacted by external force, consequently.
中文: 为外力冲击的二级隔离系统的参数设计提供了一种新方法。
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英文: Abstract: The atomic quantum behaviors in the system of two-mode squeezed vacuum field interacting with a two-level atom via two-photon process are studied by means of quantum theory.The condition for the occurrence of coherent trapping and the influence
中文: 文摘:运用全量子理论研究了双模压缩真空场与二能级原子双光子作用过程中原子的量子行为，论证了原子发生相干俘获的条件，讨论了压缩参数对原子偶极压缩的影响.
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