The number of officers is decreased from a few to 2 subsequent a just one-year experiment with a few-guy officiating crews. The three-Formal program is going to be re-adopted permanently to the 1988–89 time.知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。This segment needs extra citations for v