pi
abbr. 产品改进（Product Improve）
n.
圆周率(π)；
变形
复数：pis
英英释义
pi[ 'kæmpi: ]
n.
the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
someone who can be employed as a detective to collect information
同义词：private detectiveprivate eyeprivate investigatoroperativeshamussherlock
the scientist in charge of an experiment or research project
同义词：principal investigator
the 16th letter of the Greek alphabet
an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
同义词：protease inhibitor
词组短语
pi controller比例积分控制器
双语例句
用作名词(n.)
Zu Chongzhi accurately calculated the value of pi to seven decimal places.
祖冲之很早就把圆周率准确推算到小数点后七位。
Ignoring a clunky numerical system and devising his own, he demonstrated the nature of infinity and calculated a value for pi.
他否决了当时繁冗的数字表达方式，发明出自己的数字系统，证明了自然的无穷性，并计算出圆周率的值。
权威例句
Neo PI-R professional manualPI-Calculus: A Theory of Mobile Processes
The nature of .pi.-.pi. interactions
Cation-pi interactions in chemistry and biology: a new view of benzene, Phe, Tyr, and Trp.
Cytotoxicity of human pI 7 interleukin-1 for pancreatic islets of Langerhans.
Synthetic Principles for Bandgap Control in Linear pi-Conjugated Systems.
A single ataxia telangiectasia gene with a product similar to PI-3 kinase.
Catalytic carbophilic activation: catalysis by platinum and gold pi acids.
Suppression of c-Myc-induced apoptosis by Ras signalling through PI(3)K and PKB
Phosphate (Pi) starvation effect on the cytosolic Pi concentration and Pi exchanges across the tonoplast in plant cells: an in vivo ...
pi (n.)
Greek letter, from Hebrew, literally "little mouth." As the name of the mathematical constant, from 1841 in English, used in Latin 1748 by Swiss mathematician Leonhart Euler (1707-1783), as an abbreviation of Greek periphereia "periphery." For the meaning "printer's term for mixed type," see pie (3).
1. Let pi be the distinct prime divisors of m.
将m的相异素因子记作pi。
-- 来源 -- 英汉 - 辞典例句
2. pi group of setae
ｐｉ群刚毛
-- 来源 -- 英汉 - 翻译参考[网络]
3. PI (Product Improve)
产品改进
-- 来源 -- 英汉 - 翻译参考[网络]
4. proportional plus integral controller;PI controller
比例积分控制器；PI控制器
-- 来源 -- 英汉 - 翻译参考[网络]
5. pi electron approximation
电子近似
-- 来源 -- 英汉 - 翻译参考[网络]
6. sigma pi interaction
相互酌
-- 来源 -- 英汉 - 翻译参考[网络]
7. What pI would you predict for the pepsin proteins?
请预测胃蛋白酶的pI.必须存在什么样的官能团才能造成胃蛋白酶这样的pI？这些官能团是由哪些氨基酸提供的？
-- 来源 -- 网友提供
8. PI [photo interpreter]
照相判读员
-- 来源 -- 英汉 - 翻译参考[网络]
9. Buckingham pi theorem
白金汉π定律
-- 来源 -- 英汉 - 翻译参考[网络]
10. pi section filter
π节滤波器
-- 来源 -- 英汉 - 翻译参考[网络]
pi
