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高次
    A HIGH ORDER CURVE FITTING FOR ISOLIFE CURVES
    等寿命曲线的一种高次拟合法
    POSITIVE PERIODIC SOLUTIONS OF A HIGH ORDER DIFFERENTIAL EQUATION WITH MULTI-DELAYS
    混合型高次时滞方程的周期正解
    FINITE ELEMENT METHODS WITH A HIGH ORDER FOR SOLVING CONSERVATION LAWS
    求解双曲守恒律方程的高次有限元方法
    In the present paper, a high order, isoparametric, finite element method for calculating both the static and perturbed frequency characteristics of spiral-grooved self acting gas bearing is proposed, which can drastically reduce the storage and computer Time reguired compared with the existing finite difference and finite element methods.
    本文提出了一个计算带螺旋槽气体动压轴承静态和摄动频率特性的高次、等参有限元方法。 它可以比已有的有限差分及有限单元法大大减少所需的储存单元和计算机时。
    Taking imitating aspherical intcrferogram as a test-plate,it is possible to test the shapeof a high order aspherital surface with a laser aspheric interferometer.
    用模拟的理想干涉图作“样板”,使高次非球面的面形在激光球面干涉仪上进行精确测量成为可能。
    A class of numerical schemes are presented for solving conservation laws which are obtained by applying Galerkin finite element with a high order to Hamilton Jacobi equations.
    将Galerkin高次有限元应用于双曲守恒律的Hamilton Jacobi方程 ,得到了求解双曲守恒律的一类数值格式。
    To improve the imaging quality of the lens used in helmet-mounted low-level-light(LLL) night vision system and make the lens light in weight,small in size,compact in structure,a high order aspheric lens is designed.
    为提高头盔式单目微光夜视仪中光学系统的成像质量,并满足夜视仪结构紧凑、质量小的指标要求,提出在微光夜视仪光学系统设计中引入高次项非球面透镜的设计方法。
 

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