PI
- abbr. 产品改进（product improve）；预估发票，形式发票（proforma invoice）；首席研究员（principal investigator）
专业释义英英释义
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圆周率(=3.14159265…)圆周率
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聚酰亚胺光游离光电离潘宁游离 (penning ionization)彭宁电离 (penning ionization)
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聚异戊二稀
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圆周率电力指示器 (power indicator)电力互锁 (power interlock)主输入 (primary input)优先中断 (priority interrupt)处理器介面 (processor interface)程式中断 (program interrupt)程式中断器 (program interrupter)程式隔离 (program isolation)效能指数 (performance index)程控指令 (programmed instruction)程式员介面 (programmer's interface)比例积分 (proportional integral)
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磷脂酰肌醇
·2,447,543篇论文数据，部分数据来源于NoteExpress
pi [ 'kæmpi: ]
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n.
- the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
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someone who can be employed as a detective to collect information
同义词： private detective private eye private investigator operative shamus sherlock
- the scientist in charge of an experiment or research project
- the 16th letter of the Greek alphabet
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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
以上来源于: WordNet
柯林斯英汉双解大词典
pi /paɪ/
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1.
NUM Pi is a number, approximately 3.14, which is equal to the distance around a circle divided by its width. It is usually represented by the Greek letter π. 圆周率
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2.
N the 16th letter in the Greek alphabet (Π, π), a consonant, transliterated as p 希腊字母(Π, π)
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3.
N a jumbled pile of printer's type 混杂的活字
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4.
V to spill and mix (set type) indiscriminately 使(活字等)混杂
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5.
ADJ pious的缩写 [英国英语] [slang] → short for pious
双语例句原声例句权威例句
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The key is the stylesheet processing instruction (PI) in the second line.
关键是第二行中的样式表处理指令（PI）。
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Zu was best known for his calculation of pi (π).
祖以计算 pi（Π）而闻名。
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Both of these lobes together constitute a pi bond.
上下两片叶一起组成了一根 π 键。
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This is because most fraternities and sororities are named after a series of Greek letters, such as Alpha Delta Pi or Sigma Phi.
VOA: special.2009.09.25
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So let's have a clicker question here on how many total pi bonds do you expect to see in benzene?
让我们来做个课堂习题,你们觉得苯环里有一共多少个π键？
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Sorry, said that wrong, p1 radius 1 and angle 2, 2 radians is a little bit more than pi half.
而是半径和角度的表示，在这个例子中点，并不对应这个点,它实际上对应的是。
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