three-sheave block

He walked around the block three times.

他绕着这个街区转了3圈。

《柯林斯高阶英汉双解学习词典》

For me it took the form of my first, and I hope only, encounter with writer's block--I was not able to produce anything for three years.

对我来说，这是第一次，我只希望遇到作家的阻碍——我已经三年没能创作出任何东西了。

四级真题- 2015年 12月 3卷 信息匹配

Application of Multi-Block Mesh Technique in the Analysis of Complex Three Dimensional Flow

多块网格技术在三维复杂流动数值分析中的应用

互联网摘选

The longitudinal deformation of the element block is governed by the compatibility conditions between the blocks, hence the three-dimensional problem of torsion of the box-girder is reduced to a one dimensional one.

梁段单元沿纵轴线的变形规律由节段间变形的连续条件控制。将箱形梁扭转的空间问题简化为一维问题。

互联网摘选

In particular, based on cell-block data structures, this algorithm uses space filling curve to convert three-dimensional domain decomposition for load distribution across processors into one-dimensional load balancing problems for which run-time measurement-based multilevel averaging weights method can be applied successfully.

它采用空间填充曲线将三维区域分解转换为一维负载平衡问题，然后用基于实测的多层均权法求解，以保持处理机间负载均衡。

互联网摘选