这门在线课程就如何使用该软件提供了清晰的指导。

The online course provides clear ___instruction on how to use the software.

这所学校的使命是将学术严谨性与实践教学相结合。

The school's mission is to combine academic rigor with practical ___instruction.

在他的专家指导下，我迅速掌握了这些高级技巧。

Under his expert ___instruction, I quickly mastered the advanced techniques.