第四维

空间被认为是三维的，而时间则被看作第四维。

Space is considered to be three-dimensional and time is thought of as the fourth dimension .

第四维是时间。

The fourth dimension is time .

光线与照明&建筑的第四维空间

Light and illumination : the fourth - dimensional space of Architecture

第四维空间是了解第三维空间的关键。

The key to understanding the third dimension lies in the fourth dimension .

体验过程的意义&论雕塑的第四维空间

The significance of experiencing the " process " & on the 4th dimensional space of sculpture

阿尔伯特·因斯坦则说时间是我们每天所处的上下、右、后三维之外的另一种维度&第四维。

Albert Einstein said that time is another dimension - a fourth one - to go with the up-down , side-to-side , forward-back dimensions we live in every day .

尽管不对这第四维多加注意看似可以降低计划复杂度和成本，但对它的忽略，其实是暗藏风险的。

Although it is unlikely that paying more attention to this dimension alone could have saved our program , it does suggest that future programs ignore it at their peril .

第二节研究四维系统的具有一倾斜翻转的异宿环的余维3非共振分支。

In section 2.2 we study codimension 3 non-resonant bifurcations of homoclinic loop with orbit flips and inclination flips in 4 dimensional systems .

根据这一性质，本文第五章在实验设计时引入pH值作为第四维。

In chapter 5 , we introduced the fourth dimension ( pH dimension ) in the design of experiment according to this property .