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- On the basis of analyzing and utilizing the existent classification planning model, the thesis describes its abstract mathematic structure and builds an optimization model for BCT scheduling. 在分析和借鉴已有编组计划模型的基础上，系统的描述了模型的抽象数学结构，构建了班列开行方案的优化模型。
- A mathematical structure is an abstract, immutable entity existing outside of space and time. 数学结构是一种抽象、不可变的实体，超脱于时间与空间之外。
- Conversely, mathematical structures have an eerily real feel to them. 反过来说，数学结构也具有令人发毛的真实感。
- The two halves of the structure didn't marry up. 该结构的两部分未配合好。
- Mathematics structural thought method has some characteristics like constructivity, objectivity, agility and so on. 数学构造思想方法具有构造性、直观性、能行性及灵活性等特征。
- High winds put great stress on the structure. 大风作用于该建筑物上而产生巨大的应力。
- The structure had keeled over in the high winds. 那座建筑物让大风给刮倒了。
- A fan-shaped anatomical structure. 扇形器官扇形的解剖结构
- Equations and, more generally, mathematical structures such as numbers, vectors and geometric objects describe the world with remarkable verisimilitude. 方程式（以及更广泛的数学结构，如数、向量和几何物体）可以非常逼真地描述这个世界。
- A secluded structure, such as a bower, in a garden. 凉亭一种在花园中建造的隐蔽性建筑物，如凉亭
- The microscopic structure of tissue. 组织机构组织的微观结构
- We visited the museum, a steel and glass structure. 我们参观了博物馆，它是一座钢和玻璃的建筑物。
- We know a lot about the structure of genes now. 如今我们对基因的结构有了较多的了解。
- The Parthenon is a magnificent structure. 帕台农神庙是一座宏伟的建筑物。
- The structure of the sentence is strange. 这个句子的结构很奇怪。
- The backbone is an articulate structure. 脊椎骨是一种关节相连的结构。
- A collecting structure in the kidney. 肾总管，肾盂肾中的集合结构
- A limb terminating in such a structure. 末端有这种构造的肢体
- The amount of water collected in such structure. 蓄水量在此种容器中的水的收集量
