1, oi refers to Informatics Orsay:

The Youth Informatics Olympic Competition, known as the Youth Computer Programming Competition in the early days, refers to the subject competition of popularizing computer education and computer application among the vast number of young people.

2, oi refers to the oxygen index:

Oxygen index refers to the minimum oxygen concentration required for flame combustion of substances in oxygen-nitrogen mixed gas flow under specified conditions. It is expressed as a volume percentage of oxygen.

3.oi refers to a branch of hardcore punk:

Oi is a branch of hardcore punk, an extreme style that is completely based on pure violence and noise and has no aesthetic feeling.

4. oi means that Yunhua only knows:

OI belongs to Yunhua Interactive Group, focusing on digital brand consulting, brand visual design, strategic brand communication and other service areas; And is committed to providing solutions to brand problems for local backbone enterprises in order to cope with the transformation pressure in the digital age and overcome brand challenges.

5.oi refers to the songs performed by Xu Lin and Li Zixuan:

Oi is a song sung by Xu Lin and Li Zixuan, released on September 6th, 20th17th, and included in the album Mr. Garda.

Baidu encyclopedia -oi

Baidu encyclopedia -oi

Baidu encyclopedia -oi

Baidu encyclopedia -oi

Baidu encyclopedia -oi