pi
n.(名词)【复数】 pis The 'th letter of the Greek alphabet.See table at alphabet 希腊字母表的第十六个字母参见 alphabetMathematics A transcendental number, approximately 3.459, represented by the symbol &S{x}, that expresses the ratio of the circumference to the diameter of a circle and appears as a constant in many mathematical expressions.【数学】 π,圆周率:超越函数的数,大约为3.459,代表符号是&S{x},表示圆的周长与直径的比例,在许多数学式中作为常数出现
来源:Medieval Greek 中世纪希腊语 from Greek pei [of Phoenician origin] ; akin to Hebrew pô 源自 希腊语 pei [源于腓尼基语] ;类似于 希伯来语 pô
pi
pi 2也作 pie
n.(名词)【复数】 pis 也作 pies An amount of type that has been jumbled or thrown together at random.混杂活字,错乱的铅字:错乱在一起或随便扔在一起的铅字v.(动词)pied[pod] 也作 pied pi.ing pie.ing pies pies v.tr.(及物动词)To jumble or mix up (type).把铅字混合或搅乱v.intr.(不及物动词)To become jumbled.被弄乱
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