There were coupling relationships among different optimum conditions. In practical production, special experiments should be conducted for different kinds of stone coal.

各最佳焙烧条件之间存在一定耦合关系，在生产实际中，宜针对不同石煤进行特定实验。

youdao

Based on special experiments, this paper is devoted to several technical issues of run - away of freight trains during long detention on electrified steep grade and associated countermeasures.

结合专门试验论述了货物列车在大坡道上长时间停留时溜逸与防溜的若干技术问题。

youdao

He loved working on special effects, and his experiments with makeup grew outlandish.

NEWYORKER: Show The Monster

Each can be carried out by children of all ages in schools around the world and no special equipment is needed (all experiments can be done with laboratory equipment at schools).

UNESCO: World Water Assessment Programme (WWAP)

As with the special theory, his thinking had evolved through thought experiments.

NPR: Einstein: Relatively Speaking, a Complicated Life