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But it has some limitations of geometry structure, so scaling up the draft tube spouted bed is an urgent task. 但是导向管喷动床的几何结构也有一定的限制。
The basic geometry structure, the vibration spectra and molecular orbital density of the C20 fullerene molecule have been studied. 利用密度泛函方法研究了富勒烯分子的结构、光谱和分子轨道分布特性。
To consider the geometry structure information of data set, new clustering validity functions are defined by modify possibilistic partition coefficient. 该文考虑到数据集的几何结构信息,对可能性划分系数进行改进,提出了新的聚类有效性标准。
In this paper,an ant algorithm based on a geometry structure of TSP is presented to solve these shortcomings,constructing candidate list by quadrant neighbor list and initializing pheromone table by dual quadrant neighbor method. 本文提出了一种基于旅行商问题(TSP)几何结构的蚁群算法,利用象限邻居表构造候选集和对偶限象邻居的方法初始化信息素,用以克服上述缺陷。
The preconditioner is generated from the target’s "geometry structure " and not from the "matrix element", which assured the computational complexity for generating the preconditioner is only O(N). 在构造预条件因子时,采用从目标的"几何结构剖分"出发,而不是从"矩阵元素"出发确定"基权函数之间的作用量关系",这样保证了构造预条件矩阵的计算复杂度仅为O(N)。
The geometry structures of undoped,charge doped,and heteroatom(B and P) doped oligosilanes(containing 21 Si atoms) are optimized using density functional theory(DFT) at the B3LYP/6-31G(d) level as implemented in GAUSSIAN 03 program. 本文利用GAUSSIAN 03程序包中的密度泛函理论;在B3LYP/6-31G(d)水平下;对聚21硅烷、电荷掺杂的聚21硅烷以及杂原子(硼和磷)掺杂的聚21硅烷进行几何全优化;并对它们的几何结构和自旋密度进行了比较性理论研究.
Abstract: The geometry structures, net charge, frequency and combination energy of alkylamine chloride ionic liquids were calculated successfully by density function theory （DFT）. 文章摘要: 采用密度泛函方法计算了氯化烷基季铵盐离子液体中阴阳离子的几何构型、净电荷、振动频率和结合能等。
GEOMETRY STRUCTURE OF THE PROJECTIVE TRANSFORMATION IN THE LINE 直线上射影变换的几何结构
Ant Colony Algorithm for TSP Based on Its Geometry Structure 基于几何结构的求解旅行商问题的蚁群算法
I feel that geometry is a difficult subject. 我认为几何是一门难学的课程。
The students are learning solid geometry. 这些学生正在学习立体几何学。
The two halves of the structure didn't marry up. 该结构的两部分未配合好。
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
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。