へいこう並行heikouへいこう平行heikou
1.

A situation where two or more entities operate simultaneously without intersecting, such as different modes of transportation running concurrently along the same route.

2.

The condition of conducting multiple activities at the same time while maintaining their distinct identities, suggesting a parallel development or coordination of similar projects or tasks.

3.

The concept of separate elements progressing alongside one another, emphasizing the idea of proximity and lack of intersection, either physically or contextually.

へいこういどう平行移動heikouidou
1.

The process of moving all points of a shape in the same direction by the same distance, resulting in a parallel shift without altering the shape's orientation.

2.

A type of transformation in geometry where an object is repositioned while maintaining its form and alignment, effectively translating it across a plane.

3.

The act of displacing an object in a consistent manner, ensuring that each component of the object is shifted uniformly, thereby preserving its structural integrity and dimensions.

へいこうせん平行線heikousen
1.

A pair or more of straight lines that exist within the same plane and never intersect, regardless of how far they are extended.

2.

A situation in which two opposing viewpoints or parties fail to make any progress towards agreement, remaining unchanged and separate from one another.