pi
美音:[paı
]
英音:[paı
]
[军] Product Improve,产品改进 n. 派(π),圆周率(π)
难易程度:
pi为短语/超纲词汇
词形变化:
名词复数:pis 动词过去式:pied/pied 过去分词:pied/pied 现在分词:piing/pieing 第三人称单数:pies/pies
pi
/paɪ; paɪ/
n
1 the sixteenth letter of the Greek alphabet (, ), represented in English spelling by `p' 希腊字母表的第十六个字母（）, 英语拼写中用 p.
2 (geometry 几) symbol () representing the ratio of the circumference of a circle to its diameter (ie 3.14159) 圆周率（即3.14159）.
n
1 the sixteenth letter of the Greek alphabet (, ), represented in English spelling by `p' 希腊字母表的第十六个字母（）, 英语拼写中用 p.
2 (geometry 几) symbol () representing the ratio of the circumference of a circle to its diameter (ie 3.14159) 圆周率（即3.14159）.
pi
n[U]
[Date: 1800-1900; Origin: From the name of the first letter of Greek periphereia 'distance around a circle']
technical a number that is represented by the Greek letter (兾;) and is equal to the distance around a circle, divided by its width
[Date: 1800-1900; Origin: From the name of the first letter of Greek periphereia 'distance around a circle']
technical a number that is represented by the Greek letter (兾;) and is equal to the distance around a circle, divided by its width
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