查询词典 metric ton

By using projective metric, in this paper, a new kind of condition number is defined for homogeneous polynomial eigenvalue problems.

这两种条件数都有各自的应用范围。

On the other hand,the conformal deformations problem is to find a metric on H2(-1), conformal to g,with the given function K as its Gaussian curvature ,that is,it is important for us to study the solvability of the conformal Gauss curvature equation in geometry analysis.

e~(2u)g，它的高斯曲率函数K满足共形高斯曲率方程Δ_gu+1+Ke~(2u)=0。另一方面，对H~2(-1)上预先给定的一个函数K，共形形变问题-寻找g的共形度量=e~(2u)g使K是的高斯曲率，即共形高斯曲率方程的可解性研究是几何分析中的一个重要问题。

The company is many more producible the metric bearing of breed and imperial and conic bearing.

公司可生产多个品种的公制轴承和英制圆锥轴承。

This series of lathes for turning internal and external cylindrical surface, conical surface, and other rotating surface, turning a variety of metric, imperial, modulus and diametral pitch threads, and can pull the drilling and oil and so on.

商品简介：本系列车床适用于车削内外圆柱面，圆锥面及其它旋转面，车削各种公制、英制、模数和径节螺纹，并能进行钻孔和拉油槽等工作。

At last for a continuous map defined on a compact metric space, the strong-e-chain, strong-chain-transitive component are introduced and some existing results are improved.

最后对定义在紧致度量空间上的一个连续映射，引入了强-∈-链，强链传递分支的概念，改进了一些已有的结论。

In the third section,we study the relationship between the APOTP for continuous map / on a compact metric space X and that for the lift map / of / on a covering space X and show that has the APOTP if and only if has the APOTP.

在第四节中，我们研究逆极限空间上移位映射的APOTP，讨论紧致度量空间上连续映射APOTP与逆极限空间上移位映射APOTP间的关系。

This paper proves that every probabilistic contraction map from E to E has a unique fixed point, where E is a complete and uniformly local semi-convex probabilistic normed spacer and obtains a fixed point theorem in metric linear spaces.

摘要证明了完备的一致局部半凸概率赋范空间上的概率压缩映象必有唯一不动点，得到了一类度量线性空间中关于伪范数族一致压缩映象的不动点定理。

Under this flow, the convex initial curve will preserve its perimeter, enlarge the enclosed area and make its curvature to be positive definitely. And as the time lasts, it will become more and more circular, and finally, as the time goes to infinity, the curve will converge to a circle in the Hausdorff metric.

本文证明在这种新的曲线流之下，闭凸曲线周长保持不变、所围区域的面积不断增大而曲率保持恒正，并且，随着时间的推移曲线变得越来越圆，最终当时间t趋向于无穷大时，曲线在Hausdorff度量意义下收敛到一个圆周。

It applies non-metric digital camera as the main tool, and only needs some distances of data points instead of coordinate controls on model plane.

以普通数码相机为测量工具，不需要基准点的坐标而只需测量部分基准点间的距离即可恢复模型平面与像平面间的单应关系，使得测量工作不依赖大地测量仪器。

In Riemannian manifolds, one studies Riemannian metric, covariant derivative, Riemannian connection, basic properties of the Riemann curvature tensor, curvature forms etc.

黎曼流形部分主要涉及黎曼度量，黎曼流形的定义，切向量场的协变微分，黎曼联络，黎曼几何的基本定理，曲率张量，曲率形式等概念和理论。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48