I, I is the ninth letter in the Latin alphabet. It comes from the Greek letters ι ι, ι(Iota). It stands for the sound value /I/, just like the Etruscan alphabet. In Latin (including contemporary Latin), there is also the meaning of /j/ (such as Y in English Yoke). In semitic, /j/ is j? 0? The common pronunciations in 0d and /I/ are only used for loanwords. In English, it means different pronunciations, including long sounds and short sounds.
In the Turkish alphabet, there is a small "? 0? "2" is different from "I" and "I"? 0? "3" is two different letters.
In the NATO phonetic alphabet, I stands for India, or less commonly, Indigo.
Capital I stands for
In chemistry, a chemical symbol representing elemental iodine.
In physics, it means:
electric current
rotary inertia
In optics, representing an image.
Use Roman numerals to represent 1.
Represents the pronoun "I" in English.
The lowercase I stands for
In mathematics, it means:
Imaginary number () in complex number. The square of I is-1
Unit vector in x coordinate direction
In electricity, it means current.
In computer science, I is the most commonly used name for loop control variables.
other
In Hong Kong slang, "II" means "illegal immigrant".