noun, noun or participle which takes 'suru'
simultaneous development; spreading at the same time
Used when two or more phenomena develop or spread concurrently, often in technical or analytical contexts.
二つの技術が同時展開することで、相乗効果が生まれた。
The simultaneous development of the two technologies created a synergistic effect.
Countries cooperated to prevent the simultaneous spread of the infectious diseases.