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The cyclic symmetric conditions of node points are presented to modify the stiffness and mass matrices of the substructure.With the use of the structural cyclic symmetry and the complex constraint conditions,the eigenvalue ...

这证明复约束法既极大地减少了计算所需内存和机时，又可建立包含轮齿和轮体在内的计算模型，保证了齿轮结构特征值问题计算的完整性和准确性。

The equilibrium equations under local coordinate are obtained through Euler angle transformation. In the modeling of warp, otter door is treated as the end node. The equilibrium equation of otter door is established through d\'Alembert\'s principle. It provides the end boundary condition of the dynamic model of warp.

通过欧拉角的转换关系获得了曳纲微元段矢量动力平衡方程在曳纲局部坐标系下的方程组形式；在建模过程中，将网板视为曳纲的尾部节点，根据达朗伯原理建立了网板的平衡方程，并将其作为曳纲模型的尾部边界条件。

The results show that node size, buffer and data distribution have great effect on the performance of B+-tree.

测试发现节点大小，缓存大小，以及数据值的分布方式都会对B+树的性能带来很大影响。

The test results present that the system has stable data buffer and with a good performance of node updating.

经过测试本系统数据缓冲稳定，节点更新性能较好。

Theoretically,we simplify the proof of 〓-decidability,and practically,prompt the node-prune efficiency in Thistlewaite's decision procedure.

在理论上化简了〓的可判定性证明，在实现中提高了Thistlewaite判定过程的剪枝效率。

The associated decision function of nonterminal node is used to decidepath and model structure.

由二元决策树非终结点的决策函数决定路径直至选定模型结构。

Describe the pollution simulation model; propose the decomposition principle which is independence between atom model and application, convenience of dynamic composition according to structure of pollution spreading simulation service. The basic idea is that decompensate the entire model, package the every sub model into grid service and deploy it into grid node.

从海上溢漏污染扩散模拟模型体系的构成出发，首先进行污染模拟模型的描述，提出了基本原子模型与实际应用的无关性、动态组合的方便性的模型体系分解原则，以及具体实现的思路；将整个海上溢漏污染扩散模拟模型体系进行分解，进行网格化封装与部署，形成独立的网格服务。

Methods Three hundred and fifty patients for laparoscopic surgery were admitted to our department from August 2001 to February 2002. They included 45 cases of adrenal glands surgery, 55 simple nephrectomy, 25 radical nephrectomy, 11 nephroureterectomy, 3 partial nephrectomy, 110 renal cyst decortication, 4 polycystic kidney decortication, 12 ureterolithotomy, 16 pyeloplasty, 3 retrocaval ureteroplasty, 58 varicocele-varix ligation and 8 pelvic lymph node dissection.

从2001年8月～2004年2月，350例患者施行了腹腔镜下泌尿外科手术，其中肾上腺手术45例，单纯肾切除55例，根治性肾切除25例，肾输尿管全切11例，肾部分切除3例，肾囊肿去顶术110例，多囊肾去顶减压术4例，输尿管切开取石术12例，UPJ成型术16例，腔静脉后输尿管成型术3例，精索静脉高位结扎术58例，盆腔淋巴结切除术8例。

Stems erect or diffuse, much branched; branches decumbent, sometimes rooting from last node.

茎直立或铺散，多分枝；分枝外倾，有时来自上次节的根。

In the paper,an optimal method for node labels in the finite element is presented,which is an inductive and deductive method.

通过对在网格半带宽最小时的节点排列的一些特征进行分析，从其中归纳出3条规律，通过算例验证了该规律的正确性和可靠性。

If I didn't care what anyone thought, I would.....

如果我不介意别人怎么看，我会。。。。

In recent decades, Chile has mandated earthquake-proofing for new structures, requiring that materials like rubber and features like counterweights be built into the architectural designs to allow buildings to bend and sway during temblors rather than break.

在最近数十年里，智利已经为兴建防震的新土建结构而对建筑材料提出要求，需要的材料类似于橡胶，而特性就象运用在建筑设计中的平衡物体，一旦应用以后，当地震发生时建筑就能弯曲摇摆。