查询词典 parabolic curve

The caloric functions and parabolic maximal principle s in upper spaces are studied.

研究上半空间的热函数及其抛物极值原理，证明了在边界上为 0的热函数恒等于 0 。

If 〓 is an absolutely continuousmeasure and is represented by a measurable function f on Q,then u is said tobe the generalized solution of(1),and 〓 to be the parabolic Monge-Amperemeasure.

定义1由legendre变换定义了一个Q上的测度〓（4）其中〓为〓空间中的Lebesgue测度，若〓是一个绝对连续测度且在Q上由可测函数〓表示，则称u为方程（1）的广义解、称测度〓为抛物型Monge-Ampère测度。

A sphere mirror was used to replace an off-axial parabolic mirror, and a meniscus lens was introduced to compensate aberrations.

二级折反射系统实现激光束的高倍率扩束，由球面反射镜取代离轴抛物面镜，用一片弯月透镜补偿像差。

Using the method of parabolic regularization, we first study the existence of the optimal control of nondegenerate systems governed bywhereand Jn is mollifying sequence in R.

利用抛物正则化方法，我们首先研究了非退化系统最优控制的存在性，其中而J_n是R上的软化子。

Space ; Cartesian coordinates ; non-Cartesian coordinates ; metric tensor ; natural base ; physicalbase ; helical ; parabolic cylindrical

空间；笛卡儿坐标系；非笛卡儿坐标系；度量张量；自然基；物理基；螺旋线；抛物柱面

Complicated system ; space metric tensor ; natural base ; physical base ; non-Cartesian tensor ; Cartesian tensor ; helical-Cartesian coordinate system ; parabolic cylindrical coordinate system

复杂系统；空间度量张量；自然基物理基；笛卡儿张量；非笛卡儿；张量；螺旋线——笛卡儿坐标系；抛物柱面坐标系

However, source wavelet and near offset traces information will be needed for applying this technique. Energy minimizing method and band-limited parabolic Radon transform is employed to meet the above two conditions.

在逆散射级数法的实现过程中，地震子波和近道波场是必不可少的信息，本文采用能量最低法则和带限抛物Radon变换法来弥补原始地震资料中所缺失的这些信息。

There have been parabolic trough installations in the Mojave supply electricity for about 500,000 people.

在美国莫哈韦沙漠有一个已经安装了20年的抛物柱面槽，该柱面槽能够满足500，000人的用电量。

In Chapter 6,the adaptive finite element method for a parabolic problem isextended to the problem with the Neumann boundary as its theoretic supplement.

第六章作为对抛物问题的自适应有限元方法理论上的补充，将其推广到具有Neumann边界条件的抛物问题，得到了相应的后验误差估计。

Aim at the shortage of vertically additive method by which we can't discuss forced oscillations of systems of partial functional differential equations,we directly use the oscillatory definition,Green's formula and boundary condition of homogeneous Neumann to change the oscillatory problem of solutions to a class of systems of quasilinear parabolic equations of neutral type into the problem of which functional differential inequality haven't eventually positive solution.

针对垂直相加法无法讨论泛函偏微分方程组的强迫振动性的不足，直接利用振动的定义、Green公式以及齐次Neumann边界条件把中立型抛物微分方程组的振动问题转化为泛函微分不等式不存在最终正解的问题，然后利用最终正解的定义及上下极限得到了在齐次Neumann边界条件下判别其所有解振动或全振动的充分条件。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。