| 释义 |
quar·tic 英ˈkwɔːtɪk美ˈkwɔrtɪkAHDkwôrʹtĭk COCA²⁸⁰¹³⁶⁺⁵BNC¹²⁶⁴¹⁶⁺⁴iWeb⁶¹¹⁰¹
基本英英搭配记法近义反义例句
adj.四次的²⁷n.四次⁶³;四次方程¹⁰
Noun:
an algebraic equation of the fourth degreequartic equation数四次方程…
quart-ic…的⇒adj.四次的n.四次⁶³;四次方程¹⁰近义词 biquadrate四次方biquadratic四乘幂的
An optimum range of process pressures has been obtained through the combined analysis of test results plus quartic curve fits.
同时采用四次曲线进行了拟合，得出最佳工艺的压力范围。 cnki
It is proved that the intersecting line of the two curved surface is space curve, and the equation is quartic implicit function with one unknown.
论证了两曲面的交线为空间曲线，其方程为一元四次隐函数关系式； cnki
The applied interpolation method adopts quintic spline and derivatives generation approach for discrete points by using quartic polynomial, which can better meet the needs of high- accuracy machining.
所提出的插补方法采用五次样条和四次曲线多项式微分法近似求取导数，能够更好的满足精确加工的需要。 fabiao
The distance from3- direction quartic box spline surface to the central triangular planar patch of its control net is investigated as well as its bound.
研究了三向四次箱样条曲面与控制网格中心三角平面片间的距离和该距离的界。 dictall
The intersection of two right circular cylinders is usually quartic curve.
正交两圆柱的相贯线，一般是四次曲线。 cnki
A complete quartic polynomial consists of15 terms.
一个完整四次的多项式由15项组成。 bab
And what was the point of a quartic steering wheel?
而且四次式的方向盘又是怎么一回事啊？ yeeyan
Bicircular quartic is a very important classics of higher plane curves.
重虚圆点四次曲线是很重要的一类高次平面曲线。 cnki
By using some relations among the factors, the segment's degree can be decreased to the lowest. Our curve is more convenient and flexible than common quartic B- spline curve.
利用因子间的某些关系可将其次数降到最低．与普通的四次 B-样条曲线相比，这类曲线更加方便灵活。 cnki
First of all, a quartic equation is obtained by using the rigid tody displacement matrices and some theories of higher algebra according to given five positions of coupler.
然后根据四次方程的系数判定给定的五个位置存在布氏点的个数，最后求出各个解。 cnki
For both the quartic-anharmonics and double well potentials.
针对四次方反谐振子势及其双阱势的束缚态。 dictall
Given the velocity ratio of S- to P-waves, the depth of reflector and the offset, the horizontal distance between source and the converting point can be determined by solving a quartic equation.
如果我们已知介质中横波与纵波速度的比值、水平界面的埋藏深度和炮检距，炮点到共转换点的水平距离就可以通过解一个四次方程求出。 cnki
Moreover equations of degree higher than quartic often arise in equilibrium calculations.
况且，在平衡计算中常常发生比四次方程还高的高次方程。 bab
The curvilinear equation of quartic polynomial is used to simulate the boundary of the pile hole to improve the presumption of previous research results which are not well suitable.
重点对孔壁边界曲线的几何形状及其曲线方程的假定方法展开研究，并应用四次多项式模拟孔壁边界曲线。 cgejournal
The qualitative theory of ordinary differential equations and numerical simulation method are employed to investigate the kink waves of a nonlinear quartic equation.
用微分方程定性理论结合数值模拟方法研究了一类非线性四阶波动方程的纽结波。 cnki
The method of qualitative analysis of differential equation and bifurcation is employed to study two classes of quartic systems.
用微分方程定性分析方法和分支方法研究两类四次系统。 dictall
The results are denoted by related affine invariants, and can be used to control the shape of quartic T- curves.
这些结果都用有关的仿射不变量表示，可以用来控制四次 T-曲线的形状。 cnki
The quartic Runge- kutta Method improved by Gill is used to Calculate the propagation Characters of a Single-mode taper fiber.
用四阶龙格——库塔法的基尔改进式，计算了单模锥体光纤的传输特性。 cnki
This paper proposes a piecewise geometric approach to parametrize a kind of quartic implicit algebraic surface.
针对一类四次隐式代数曲面，提出一种基于分片的几何参数化方法。 dictall
This allows us to maintain the elegance of geometric constraint solving with ruler and compass, because the solutions of cubic and quartic equations can be written explicitly with radicals.
由于三次和四次方程的解可以显式地表示出来，所以引进圆锥曲线作为一个新的作图工具仍然可以保持原来尺规作图的简洁性和完整性。 cjig.cn
Quartic exponential smoothing method can follow the nonlinear trend of time series better and can also forecast better.
布朗单一参数四次指数平滑能更好地跟踪时序的非线性变化趋势，达到更好的短期预测效果。 cnki |