1)pendant vertex悬挂点
1.Of all trees on given order n,diameter d and pendant vertices number s, which achieves the maximal spectral radius? Let Tn,d,s be a tree with order n,diameter d and pendant vertex number s obtained by spanning s-2 paths of almost equal lengths at r th-vertex of fixed path Pd+1,where r=r(d) is the integer part on(d+1)/2.研究了在阶为n、直径为d且悬挂点数为s的所有树中,树具有最大的谱半径问题。
英文短句/例句
1.Analysis of exhaust system hanger locations layout based on MSC.Nastran基于MSC.Nastran的排气系统悬挂点布置分析
2.Vibration modal analysis and hanger location optimization of automobile exhaust system汽车排气系统振动模态分析及悬挂点优化
3.Analysis of Rope Tension at Skip Suspension of Friction Winder多绳提升箕斗悬挂点钢丝绳张力变化规律分析
4.The maximum and minimum values of the independent indices of trees with given a number of pendent vertices具有给定悬挂点数目的树的独立指数的最大小值
5.pneumatic C type suspension shot welder气动C型悬挂式点焊机
6.two point suspension scaffold两点悬挂架空脚手板
7.attachment to three point linkage固定于三点悬挂装置上
8.pneumatic X model suspending shot welder气动x型悬挂式点焊机
9.Tractor-Adjustable Three-point Hitch the door for implement quick-attaching couple拖拉机可调三点悬挂快速挂接器的设计
10.Hang gliding holds no fears for her.她一点也不害怕悬挂式滑翔.
11.Three-Point hitch implement quick-attaching coupler of agricultural wheeled tractors--Category 3NGB/T7120-1986农用轮式拖拉机三点悬挂农具快速挂接器3N类
12.Something, such as a tapestry, that is hung.悬挂物一些诸如挂毯之类的悬挂物
13.Lawn and garden tractors--Three-point hitchGB/T14226-1993草坪和园艺拖拉机三点悬挂装置
14.Three-point-linkage for agricultural tractors--Dimensions of linch pinsGB/T4329-1984农业拖拉机三点悬挂装置锁销尺寸
15.Structural design of integral multi-bearing point statically-indeterminate hanging steel flue整体多点超静定悬挂钢内筒烟囱的结构设计
16.Agricultural wheeled tractors and implements-Three-point hitch couplers--Part 3: Link couplerGB/T17127.3-1998农业轮式拖拉机和机具三点悬挂挂接器第3部分:连杆式挂接器
17.A loop or strap by which something is hung.悬挂工具悬挂某物的箍或带子
18.Agricultural wheeled tractors--Three-point linkage--Part 3: Categories 0GB/T1593.3-1987农业轮式拖拉机三点悬挂装置第三部分:0类
相关短句/例句
pendent vertex悬挂点
1.The minimum and maximum values of Randic\' index for the chemical trees with given order and number of pendent vertex are obtained by Hansen and Mélot,and the corresponding chemical trees are characterized.对于给定阶数和悬挂点个数的化学树,P。
3)hanging node悬挂节点
1.The numbers of physical cover of the cover system in NMM when the crack was extended were amended through the setting of hanging nodes.探讨了基于三角形有限元网格的平面流形元覆盖系统;通过设置流形单元的悬挂节点来修改裂纹扩展时流形覆盖系统中的节点下标(物理覆盖编码),通过初始有限单元被物理网格再剖分后所生成的流形单元链表的设置提出了裂纹扩展时新生成的流形单元中物理覆盖编码(有限单元节点及下标)、悬挂节点信息和积分区域角点信息的生成方法,进而提出了裂纹扩展时流形元方法的物理覆盖和流形单元的生成算法。
4)Cahn Hilliard equation悬挂顶点
1.The author studies an explicit fully discrete spectral method and pseudo spectral method with weaker stability condition for the Cahn Hilliard equation.设G是p阶自补图,文中讨论了含悬挂顶点的p+4阶自补图与所有p阶自补图的关系,给出了由p阶自补图构造出p+4阶含悬挂顶点的自补图的方法及含悬挂点的p+4阶自补图的数目N1(p+4)。
5)Quasi-pendant vertex拟悬挂点
6)k pendant verticesk悬挂点
1.In this thesis we investigate some graphic transformations and properties of extremal graphs on the Randic index among all trees with k pendant vertices, and use some of these transformations to study the problem of extremal values of the Randic index.本文主要讨论了图的变换与k悬挂点的树关于Randi(?)指标的极图性质,并应用其中的一些变换研究n个顶点k个悬挂点的树关于Randi(?)指标的极值问题。
延伸阅读
闭式单点、双点压力机
代码:00413设备名称:闭式单点、双点压力机型号规格:公称力≥800kN
计量单位:台
主要参数内容国际先进国内先进国内一般国内落后评定方法及说明
(一)加工精度参照GB10924-89、GB10933-89、JB5200-91
1、滑块下平面对工作台上平面的平行度(mm)30%精度储备20%精度储备达到规定值大于规定值
0.02+0.10/100×滑块下平面的被测长度
2、滑块行程对工作台上平面的垂直度30%精度储备20%精度储备达到规定值大于规定值
0.05+0.02/100×滑块行程长度
(二)结构性能
1、离合器、制动器接通率,当滑块行程次数≤16次/分时为70%,≤25次/分时为60%,≤45次/分时为50%大于规定值10%大于规定值达到规定值达不到规定值
2、液压超负荷保险装置、微调装置、吨位指示器全部具有全部具有部分具有没有
(三)噪声dB(A)
1、公称力≤400kN≤85≤87≤88>88
2、公称力>400kN≤87≤88≤90>90