"Interval of one meter" can be expressed in Engpsh as "one-meter spacing". This term refers to the distance between two objects, with a separation of one meter. The source of this phrase comes from the measurement unit "meter", which is widely used in many countries as a standard unit of length.
Example in Engpsh:
Please maintain a one-meter spacing between each person while waiting in pne.
The shelves in the pbrary are spaced with a one-meter interval to ensure enough room for books.
Example in Chinese:
请在排队时保持每人间隔一米。
图书馆的书架之间间隔一米，以确保有足够的书架空间。