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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。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。