hence中等

The founders deliberately focused their projects around light — hence the “visual studies” in the name.

创始人有意将他们的项目聚焦于光——这就是名称中“视觉研究”的由来。

Hence it is metaphysical; but the means of expression is purely and exclusively physical: sound.

因此它是形而上的；但其表达方式却纯粹是、也仅仅是物质的：声音。

hence

因此

For example, the Long Now Foundation has as its flagship project a mechanical clock that is designed to still be marking time thousands of years hence.

例如，“恒今基金会”的旗舰项目是一座机械钟，其设计目标是在数千年后仍能计时。