The failure was set down to bad planning.

这次失败归因于计划不周。

This was the primary reason he now set down to write his novel.

这就是他现在安心写作小说的主要原因。

No, No. Ive seen a kite rise up and set down to the west, but Ive never seen your little bird.

没有，我看见西边一只风筝升起又落下，可是我没有见过你的小鸟。

At last, a series of guarantee measurements has been set down to insure the successful enforcement of this plan.

最后，制定了一系列保障措施，确保方案的顺利进行。

He says the team does now have a data set down to a resolution of 3 angstroms and is working on solving this structure.

他说他们的小组现在有一组3埃分辨率的数据，并且正在破解这一结构。