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单词 pi
释义

pi /pai//paɪ/

英汉-汉英词典
n. 圆周率(π)

PI

abbr. Product Improve 产品改进
词组 | 习惯用语
pi abbr. 产品改进(Product Improve)
pi controller 比例积分控制器
pi theorem n. π定理
pi kuan
tu pi 犊鼻

网络短语:
mean indicated pressure pi 平均指示压力
Sterling Silver Children's Pi 纯银孩子们粉色和黑色瓢虫魅力岛
pi characters 杂体字符; 特别字符;
pi abjustment pi调节
pi tu 罗毗荼
pi element 比例; 积分单元; 比例积分单元;
guai pi 第三声
pi particle 介子
pi STol 手枪
原声例句
PBS趣味科普

Or that your magic mirror can turn pi into pi.

或者你的魔镜可以把圆周率变成 3.14。

VOA Standard 2015年3月合集

Unique because it has a pattern of the mathematical symbol pi.

之所以说它特别是因为上面有圆周率π的数学符号。

生活大爆炸 第1季

Lambda equals on over pi r squared n.

λ等于πr的n次方。

PBS趣味科普

To them, " pi" wasn't 3.1415 yadda yadda.

对他们来说,π 不是 3.1415......。

少年谢尔顿 第五季

I could rattle off pi to 25 places.

圆周率能随便背个 25 位数。

美剧疑犯追踪POI第二季

It's like pi. It contains everything.

就像π 包含所有。

TED演讲(音频版) 2015年2月合集

Now, try to build a bicycle without knowing that pi is 3.1416.

尝试在不知道pi的值是3.1416的 情况下组装一辆自行车。

科学60秒-科学美国人 2023年3月合集

So, humans have managed to memorize incredibly long sequences of pi decimals.

人类设法记住了超级长的π小数序列。

摩登家庭第九季_Modern Family-Season09

Well, I didn't want to... pi... pick the wrong table again.

我不想… … 又选错桌子嘛。

CNN 10 学生英语 2019年3月合集

Which of these mathematicians is famous for making a relatively accurate calculation of pi?

在这些数学家中,哪一个以对圆周率进行相对精确的计算而闻名?

中文百科

圆周率

直径为1的圆的周长是π
欧拉普及使用希腊字母π作为圆周率。
圆周率背诵世界记录的趋势

圆周率,定义为圆的周长与直径的比值。一般以π来表示,是一个在数学及物理学普遍存在的数学常数,是精确计算圆周长、圆面积、球体积等几何量的关键值\pi\,也等于圆的面积与半径平方的比值。

在分析学里,\pi \,可以严格定义为满足\sin(x)=0\,的最小正实数x\,,这里的\sin\,是正弦函数(采用分析学的定义)。

英语百科

Pi 圆周率

The circumference of a circle is slightly more than three times as long as its diameter. The exact ratio is called π.
Because π is a transcendental number, squaring the circle is not possible in a finite number of steps using the classical tools of compass and straightedge.
The constant π is represented in this mosaic outside the Mathematics Building at the Technical University of Berlin.
The overtones of a vibrating string are eigenfunctions of the second derivative, and form a harmonic progression.  The associated eigenvalues form the arithmetic progression of integer multiples of π.

The number π is a mathematical constant, the ratio of a circle's circumference to its diameter, commonly approximated as 3.14159. It has been represented by the Greek letter "π" since the mid-18th century, though it is also sometimes spelled out as "pi" (/p/).

近义、反义、联想词
近义词
n.
transcendental number, detective, scientist, man of science, letter, letter of the alphabet, alphabetic character

联想词
phi希腊文的第21个字母;mu希腊字母第12个字母;ti温度指示器;nu希腊字母表的第13个字母;su苏;si国际单位制;k字母k;tau希腊语的第十九个字母;ba文学士;j字母j;r字母r;
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更新时间:2025/6/17 10:46:49