i (EN)

字母，符号，数词

字母 “i”

1. 字母“I”的小写形式
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   In the word "imagine," the letter "i" appears twice.

符号 “i”

1. 在数学中代表虚数单位（负一的平方根）的符号
   When you square i, you get -1.
2. 在工程学中用来表示电路中电流流动的符号
   To calculate the power dissipated in a resistor, you can use the formula P = i * R².
3. 在数学和编程中，常用来表示循环中索引的符号。
   In the loop, "i" starts at 0 and increases by 1 until it reaches 10.
4. 在金融数学中代表年有效利率的符号
   If the annual effective interest rate (i) is 5%, your savings will grow faster than if it were at 3%.
5. 在音乐中，表示小调主和弦的符号。
   In the key of A minor, the i chord consists of the notes A, C, and E.

数词 “i”

1. 罗马数字一的小写形式
   You have to i. bring the food, ii. cook it.