four dimensional

Four-dimensional space-time defies visualization.

四维空时难以形象表示.

It is mainly the light and space sequence that create the four-dimensional space.

光和空间序列是创造四 维 空间的主要元素.

By means of uniting geometry with algebra, the arc length, tangent line, cotangent space and curvature of curve in four dimensional space are investigated, and the corresponding calculation formula in each cases are given.

用形数结合的观点研究了四维空间中曲线的弧长、切线、法空间和曲率问题，并给出了其计算公式。

This paper does the experiments of Doppler radar's Four-dimensional Variational Assimilation in MM 5 model. "

本文的工作就是多普勒雷达资料在 MM5 模式中的四 维 变分同化试验.

Study of Micro Dimensional Behavior of Mill and Analysis of Longevity of Four Row Tapered Roller Bearing

轧机微尺度行为和四列圆锥轴承寿命

The collision and blending of four color civilization between east and west, as well as symbiosis and co-prosperity between different cultures of all ethnic groups from north and south of China breeds the formation of Da-Lian special music ecological environment under the intersection of the two dimensional space-time.

东西方四色文明碰撞、交融，南北夏夷八方诸族文化汇聚、共生，共同孕育形成了时空二维交汇下的大连音乐文化生态环境。

This problem is specific to four-dimensional spacetime.

这个问题是针对四维时空来说的.

The paper presented a plan of two-dimensional servo four color pattern identification, and its boundary treatment techniques, which has overcome the above defects.

为此，提出了二维伺服四色识图原理及边界处理技术，克服了上述不足。

This is very likely caused by four-dimensional holding significant assets, business restructuring.

由此极有可能造成四维控股重大的资产 、 业务重组.

Dimensional calculation on the four corners of rectangular stamping blank

矩形盒冲压件坯料四角部分尺寸计算

For example, zero dimensional, dimensional line, the dimensional surface, three-dimensional dimensional, and even four-dimensional space-time.

比如, 零维的点 、 一维的线 、 二维的面 、 三维 的立体 、 乃至四维的时空.