弦

The purpose of this thesis is to propose an O-time algorithm for deriving the exact value of the diameter of a mixed chordal ring network.

在这篇论文中，我们提出一个只花O时间的计算「混合的弦环式网路」的直径的演算法。

The texture is chordal, but because the music is in only three parts the two chords with added 7ths cannot be sounded in full.

纹理是弦，而是因为音乐中，只有三个部分两个和弦加7ths不能充分响起。

For engagement with the roller of step chain, special design for sprocket is needed. More teeth on sprocket can reduce noise and contact force due to chordal action.

而与踏阶链条啮合的齿盘需经过特别设计，齿数较多时可以减少弦线效应所引起的噪音和冲击力量。

Based on the principle of chordal path multi-path ultrasonic flowmeter, the model of multi-path ultrasonic gas flowmeter that can adaptively adjust its weight coefficients was built using the methods of Gauss-Legendre integration and linear neural network.

在以弦向声道布置的多声道超声气体流量计原理的基础上，采用Gauss-Legendre数值积分和线性神经网络相结合的方法完成自适应调整权系数的多声道超声气体流量计建模。

For engagement with the roller of tool magazine chain, special design for sprocket is needed. More teeth on sprocket can reduce contact force and noise effect due to chordal action.

而与刀库链条啮合的链轮需经过特别设计，齿数较多时可以减少弦线效应所引起的冲击力量和噪音效应。

Data preprocessing refers to the process of polygonization, smoothing, decimation and registration. The flow and main steps of data preprocessing are described here. Several specific cases, for example the sampling method based on chordal deviation, the feature based registration, are discussed.

本文研究和讨论了点云预处理的基本流程和主要步骤，研究点云光顺的高斯滤波，中值滤波和平均滤波方法、点云精简的弦高差算法和多视点云特征对齐的方法。

By using the Clifford matrix expression of n dimensional sense preserving M bius transformations, the trace s and norms of the Clifford matrix and chordal norms are discussed.

利用n维Mobius变换的Cliford矩阵表示，讨论了n维空间的Cliford矩阵的迹和范数以及弦范数，得到了它们在n维空间上一些不等式及它们间的相互关系。

In a graph-theoretic version for a graph G,it is to find a set F of added edges such that the graph G+F is chordal and |F| is minimized.Here the minimum value |F| is called the finll-in number of G,denoted as f.

起源于稀疏矩阵计算和其它应用领域的图G的最小填充问题是在图G中寻求一个内含边数最小的边集F使得G+F是弦图。

The fill-in minimization problem comes from the elimination process of sparse matrix computation. In a graph-theoretic version for a graph G, it is to find a set F of added edges such that the graph G+F is chordal and |F| is minimized.

起源于稀疏矩阵计算和其它应用领域的图G的最小填充问题是在图G中寻求一个内含边数最小的边集F使得G+F是弦图。

Present project shows that more even distribution of loops longitudinally on the belt surface, facilitating the alleviation chordal action of loops happened as it running around the roller, is a effective approach to solving this problem.

研究表明，弓齿在纵向作更均匀的配置，对消除它在辊面转过时所产生的弦效应是减轻振颤、延长使用寿命的有效办法。研究中改进设计试验样机，把它的前进速度提高到1.2—1.38米/秒。结果表明，脱粒性能良好。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。