Crash course and Distance-learning course

Crash course noun - A rapid and intense course of training or research (usually undertaken in an emergency).

Distance-learning course and crash course are semantically related in review course topic. In some cases you can use "Distance-learning course" instead a noun phrase "Crash course".

Crash course and distance-learning course are semantically related in review course topic. You can use "Crash course" instead a noun phrase "Distance-learning course".