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According to the practical engineering application, the reasonable effective lengths of compressed chords and braces are presented. In the end, the static behavior of multiplanar XX-joints are discussed, which used widely in practical engineering. An amount of joints with the variable joint parameters under lode-case are analyzed. Base on research achievement of uniplanar X-joints, a set of formula is proposed to predict the ultimate bearing capacity of multiplanar XX-joints, which are easy to understand in physical concept and simple in practice.

最后对实际工程中常用的空间XX 型节点进行了探讨，分析空间轴心受力XX 节点和空间平面内受弯XX 型节点的空间几何效应和空间荷载效应，进行大量系统的参数研究后，得到各自的效应系数，并且在矩形钢管混凝土桁架平面X型节点研究成果的基础上，给出了两种受力情况下节点的承载力计算公式，公式物理概念清晰、简单实用。

Since the lengths of the line segments and the angles between line segments are treated as representation parameters, it is convenient to construct energy function and to deal with displacement and length constraints. Based on this advantage, a parametrical model for human body is proposed, which can easily produce human body models with different feature sizes. The above method is just suitable for polylines. Therefore, a generic deformation method for both discrete curves and surfaces is presented. The energy function is constructed by analyzing the relationship of the points before and after deformation. Together with the displacement constraints, the deformation problem is converted to a convex quadratic programming. A necessary condition for constraint points and a sufficient condition for the uniqueness of solution are given. The proposed method can be combined with skeleton-driven animation to control the deformation.

将线段长度与线段之间的角度作为表示参数，既有利于能量函数的构造，又便于处理位移约束和长度内蕴约束条件，利用这一优势，将其应用于三维人体的参数化建模，可以方便地产生具有不同特征尺寸参数的人体模型，由于这种方法只适用于折线变形，具有较大局限性，因此，本文进一步提出一种较通用的离散曲线曲面变形方法，通过分析变形前后的位置关系来构造能量函数，再加上位移约束条件，将变形问题转化为一个凸二次规划问题，并且给出了约束点应满足的必要条件及模型解唯一的充分条件，这种方法还可以与骨架驱动变形的思想相结合，能更好的控制变形。

This has not yet gone to unmanageable lengths in Communist territory as yet, but the trend exists.

这种危险在共产党辖区还没有发展到不可收拾的地步，但这种倾向确实存在。

By making the two lengths equal, you ensure that this delay remains tiny and unnoticeable.

使两长度相等，保证你依然很小，不易察觉这一拖延。

He deems his provisional ball unplayable and drops it within two club-lengths of where it lay under Rule 28c.

他认定临时球不可打，就按照规则28c在球所在位置的两球杆范围内抛球。

From humanity - and they\'ll go to unthinkable lengths to get it.

的东西——而且他们会以某些无法想象的程度来得到它。

The influence of variable zone lengths, zone passes, moving speed and the impurity of raw materials on the purification process was studied.

考察了熔区移动速度、区熔次数、熔区长度以及黄磷原料杂质初始含量对提纯效果的影响。

Set includes three polished silver chains in 2-inch, 3-inch and 5-inch lengths, one 4-inch antiqued textured chain and one 3-inch vermeil chain.

设置包括三个抛光银链 2英寸，3英寸，5英寸长，1 4英寸仿古质感链和一个 3英寸的朱红链。

I'm designing and having made an aluminum panel box featuring a lockable and water-tight exterior, allowing me to collect and properly route assorted lengths of coax feeding current and future station antennas.

我设计并制做了一个防水及能上锁的铝壳，让我来采集与完全发射多种长度的同轴电缆和将来配套的各式各样天线。

As far as physics is concerned, the variety of different wave lengths accounts for the number of colors.

从物理学的观点来看，不同的波长有多少种，颜色就有多少种。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新