球形金刚石薄膜以二次形核方式繁衍生长。
The ball-like diamond films grow up by means of multiplying of second nucleating.
微晶金刚石是沉积过程中快速二次形核而形成，呈无序分布；
The micro-crystal diamonds come from fast second nucleating on deposit ion process and assume disordered state.
采用二次形函数薄层单元和傍轴边界分别模拟弹性半空间上的层状场地和半空间。
Layered soils and elastic half-space were simulated by thin layer elements with quadratic shape function and paraxial boundary respectively.
二次型化标准形常采用配方法，而二次型化标准形等价于它的矩阵合同对角化，文中利用初等矩阵和初等变换之间的关系。
Method of completing square is often used when transforming a quadratic form into a normal one, whose process is equivalent to making the relevant matrix contract diagonal.
借助矩阵的合同变换法，给出了化实二次型为标准形的方法、求标准正交基的方法，并给出了正定二次型判定定理的新证明。
By means of congruent transformation in matrix, the method of transforming real quadratic form into standard form and the method of normal orthogonal basis are given in this paper.
本文给出了化不含平方项的两类特殊二次型为标准形的一种直接选取满秩线性变换法。
The paper teus a direct way to select nonsingular linear transformation by changing two special quadratic forms without square terms to the standard form.
采用二次回归通用设计的方法，对雄性截形叶螨生长发育进行了研究。
Under auto_controlled temperature and light length in small rooms, using the way of twice regression general design, growing of male_ Tetrangchus truncatus Ehara was studied.
给出了大加权三角形不等式的一个简单推论，由之简捷地推导出一些新的涉及三角形内部任一点的三元二次型不等式。
This paper presents a simple deduction of an inequality for heavy weighted triangles, and with it some new quadratic inequalities of three variants at any point within a triangle.
本文讨论赋值环上的对称线性型、二次型和对称矩阵的合同标准形。
In this paper we will discuss symmetric bilinear forms and quadratic forms over valuation rings, and establish the congruent standard forms of symmetric matrices over valuation rings.
第二次反应为形核孕育和爆发性反应二个阶段。
The second reaction consists of nucleation pregnant and exploded reaction stages.
通过二次再结晶形成立方织构时，并不包括重新形核的过程。
It is found that cube texture in this alloy can be developed either by the process of secondary recrystallization or simply by the process of primary recrystallization.
给出了一种基于三角形内角加权和二次误差度量的三角形折叠算法来简化三角网格模型。
A triangle collapse algorithm is presented, which is based on internal angles weighted and quadric error metrics to simplify mesh models.
用常规有限元和二次动态有限元解算了一个悬臂三角形弯曲板的前六阶固有频率。
The First six natural frequencies of a cantilevered triangular bending plate are calculated both by the conventional finite element and by the second order finite dynamic element.
本文利用内潜奇点片的概念，提出了二次分布源强的三角形单元，进行绕任意三维物体的势流的计算，并得到了计算所需要的一系列积分公式。
This paper presents a method for evaluating the flow about an arbitrary three-dimensional body using the submerged patches of triangular elements with quadratic variation of source strength.
二次调质后，堆芯段筒体锻件产生了椭圆变形，为了不影响锻件已有性能，采用冷校形加去应力回火方法进行校正。
In order to keep the property of forging pieces which they already have, calibrating in the way of cold correcting the shape with stress release and tempering could get a better result.
其次提出了以有限元法为核心的考虑索膜重力作用的二次找形法，编制了相应的程序。
Based on the nonlinear finite element method, the two-time method for form finding considering gravity is proposed and the related computing program is designed.
介绍了一种实现筒形类零件二次拉伸的简易模具结构，为类似零件的生产制造提供参考。
A kind of simple die structure which can realize the re-drawing of barrel-shape parts is introduced, which can be referenced by similar parts manufacture.
由于线性二层规划、二层二次规划的约束条件全部是线性函数，而单纯形方法是目前解决线性规划的最有力的工具。
Because the constraints of the LBP and BQP are linear functions, and the simple method is the most efficient method to solve linear programming.
高能量长叶片撞击将形起大变形，叶片弯曲成U形，机匣在第二次撞击处被撕裂击穿。
The impaction of long blade with high energy can cause large deformation and the blade will curl as U shape and tear the wall of the containment ring at the second impact position.
提出了对二次包络环面蜗杆传动修形的方法，以降低蜗轮副对制造误差的敏感性。
A method of modifying the double enveloping worm gearing with developable tooth surface has been proposed to reduce the sensibility of the worm gearing to the manufacturing errors.
文中还定义了平面单连通多边形区域的所谓分层三角剖分，并确定了此剖分下二次样条空间的维数。
Then, a new kind of so-called stratified triangulation of a simply connected planar polygonal region is introduced.
而采用工作辊与中间辊弯辊相结合的板形前馈控制模型则对二次和四次板形均具有很强的控制能力。
However, for work roll and intermediate roll bending compensation model both quadratic and quartic components of strip flatness can be controlled effectively.
为了解决这些问题，采用二次构tin法，通过解算矢量三角形，使计算模型简单化，以便于计算机自动化实现。
To solve it, secondary TIN construction was conducted to simplify the calculation mode by solving vector triangle calculation so as to facilitate the automatic realization by computer.
根据粗、精加工的不同情况，举例编制了相对应的数控加工程序，此方法适用于所有二次曲线的仿形加工。
Various numerical control programs for rough profile machining and finish profile machining are developed using macro programs. This method can be used for the contour of all types of conic.
直齿廓环面蜗杆或者二次包络环面杆蜗，均需进行修形加工。
It is necessary for both straight profile toroid worm and double enveloping toroid worm to be pruned on the faces of teeth.
本文利用直角坐标下函数的完备性来建立等参坐标下的非协调位移函数，给出了一对在直角坐标下二次完备的四边形平面等参非协调元。
In this paper, the incompatible displacement functions are constructed which possess completeness in Cartesian coordinates. A pair plane quadrilateral isoparametric incompatible elements are given.
本文利用螺旋面理论。结合计算几何知识，根据-麻花钻实物求出了加工该工件用的二次圆盘刀具截形。
On the basis of helicoid theory and computational geometry, the sectional contours of a sample twist drill were found for producing similar twis1t drills.
本文利用螺旋面理论。结合计算几何知识，根据-麻花钻实物求出了加工该工件用的二次圆盘刀具截形。
On the basis of helicoid theory and computational geometry, the sectional contours of a sample twist drill were found for producing similar twis1t drills.
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