查询词典 convex

It is because that detonation and deflagration waves cannot propagate in the same direction when f is convex.

这是因为在流函数为凸的条件下，爆轰波只能是前向波而爆燃波只能是后向波，它们不能在同一方向上传播因而也就不可能出现上述转化。

We get theexistence theorem of directional derivative of convex fuzzy mapping, and discuss the relationsamong directional derivative, differential, gradient and subdifferential.

得到了这类模糊映射的凸映射的方向导数的存在性定理。

In addition, the applications of the directional derivative and differential of the fuzzy mappings from 〓 to Ein convex fuzzy programming, the applications of the fixed point theorems of increasing fuzzymappings in fishery production and the applications of the integral over a directional linesegment of the fuzzy mappings are also studied.

另外，还给出了从〓到〓的模糊映射的方向可导性及可微性在凸模糊优化中的应用、增模糊映射的不动点定理在鱼业生产中的应用及模糊映射在有向线段上积分在获取统计数字方面的应用。

Result shows that there is no significant difference in distribution of any two sections' sympathetic nerve in normal goats annulus fibrosus disci intervertebralis,there is no significant difference between the sympathetic fibers distribution of convex side and concave side in annulus fibrosus disci int ...

方法先建立山羊脊柱侧凸模型，将椎间盘纤维环分为左前、左后、右前、右后四个区，然后通过NF200常规荧光组化和乙醛酸染色来研究正常山羊、侧凸山羊、正常人和青少年特发性脊柱侧凸患者椎间盘不同部位纤维环的交感神经分布特点。

Using the convex set model to describe the uncertainty existed in the parts design.By adopting the physical planning method to construct discontentedness function of the uncertainty parameters.

用凸集模型描述零件设计中存在的不确定性，采用物理规划方法构造不确定性参数的不满意度函数，通过极小化不满意度函数最差值实现目标函数的稳健性，通过灵敏度分析实现约束函数的稳健性。

To solve the unit commitment that is a typical non-convex, nonlinear, high-dimensional and discrete optimization problem, a binary adaptive differential evolution algorithm is proposed.

针对机组组合这一典型的非凸、非线性、高维、离散的优化问题，提出了一种二进制自适应微分进化算法。

Although some results on convex and concave iterative roots are known, there are no results about convexity for more general iterative equations. In this chapter, convexity of both increasing solutions and decreasing solutions is investigated by the divided difference theory and fixed point theory.

本章在连续函数构成的紧凸集上构造一个连续自映射算子，利用均差理论和不动点理论证明了线性型迭代方程的凹凸解的存在唯一性及连续依赖性。

A convex molding just below the abacus of a Doric capital.

一个凹函数的图象总在它的切线的下方。

A convex molding just below the abacus of a Doric capital .

和平之都是它的名称之一，联合国欧洲总部就设在这里的万国宫。

A syncline is the opposite type of fold, having downwardly convex layers with young rocks in the core.

向斜是背斜褶曲的相反形式。岩层向下凹，核心为年青的岩层。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。