PI
英音[ paɪ ] 美音[ paɪ ]

圆周率

常用释义

词性释义

abbr. 产品改进(product improve);预估发票,形式发票(proforma invoice);首席研究员(principal investigator)
例句
  • 全部
  • 圆周率
  • 比例积分
Opinions in the literature, Cao Pi and Cao Zhi on the surface seems to be different.
在文学的意见上,曹丕和曹植表面上似乎是不同的。
It's dangerous to leave P. I. and risk getting busted by the guards, but they both know that Michael has no choice.
缺勤PI是很危险的,有可能会被警卫抓住,但是他们都知道Michael没得选择。
How much is one over two times the square root of pi?
圆周率的平方根的二分之一是多少?
Seattle PI confirmed with Microsoft that it has been used internally and is likely to be made public soon.
西雅图信息邮报确认了微软正在内部使用该服务而且貌似很快就会向公众开放。
He soon received promotion, for his superiors [sju: 'pi ri ] realized that he was a man of considerable ability.
本句汉语意思是:不久,他就得到了提升,因为他的上司们认为他的能力相当强。
Of all the wonders of ancient Egypt, Ramesses the Great's capital- the city of Pi-Ramesse, was one of the most spectacular.
在古埃及所有奇观中,拉姆西斯大帝的首都派拉姆西城是其中最为壮观的一个。
当速度伺服系统的转矩参考值很大,转矩PI调节器的输出就容易饱和。
Cao Cao was not just a statesman and general; he was a man of cultured tastes too, as were his two sons Cao Pi and Cao Zhi.
此外,曹操还很重视文化,他多才多艺,他的两个儿子曹丕、曹植也都是有名的文学家。
CRI method has been used to deduce the fuzzy control rules and it was combined with PI control by the harmony gene.
我们采用CRI方法推导出模糊控制规则,再利用软件开关将模糊控制与PI控制结合起来。
LIFE of PI All of life is an act of letting go, but what hurts the most is not taking a moment to say goodbye.
人生也许就是不断的放下,然而令人痛心的是,我都没有好好地与他们道别。
If I ever caught her with Stevie PI'd throw her back in the Penitentiary, now.
如果我赶上了她史蒂维P我扔在监狱她回来,现在。
Pi cannot be written as a quotient of two integers, and its decimal form goes on forever and never repeats.
圆周率Pi不能写成两个整数的商,它的小数形式是无限不循环的。
There's one catch: for this to be true, pi would have to be a "normal" number, and we don't yet know if it is.
这其中有个小圈套:如果上述说法为真,则π必定为一个“正常”的数字,只是我们现在还不知道而已。
heard "Pi pit" of the charred voice , which is the outermost layer of ants to survive using the body to open up the road.
听到“噼叭”的烧焦声,那是最外一层的蚂蚁在用躯体开拓求生之路。
这种药物的生物利用度为有限责任的处方人数减少,当新皮可用。
Because the wood or bamboo handle was easy to rot, the complete bronze pi was not unearthed in the archaeological excavation before.
由于长秘易腐烂,过去的考古发掘中未发现完整的铜铍,铍头多被误为剑或匕首。
In order to do this business I would like to ask you to deduct 2% which you confirmed already and send the PI as our message.
为了做成这笔生意,我曾要求你给我们2%的折扣,而且你已经确认并且已经把PI发给我们了。
PI : We just decided to start a club and try to get some of the minority group kids involved in footy.
皮嘉铭:我们的想法就是组建一支俱乐部,带领一些少数族裔的孩子参与足球运动。
PI coating : evenly covering the surface of the glass with a layer of PI fluid .
定向层涂覆:在玻璃表面均匀涂覆一层定向层。
皮涅拉先生自己就是一名商人,对学校盈利并未感到有何不妥。
本文目的:探讨归脾汤治疗广泛性焦虑障碍心脾两虚型的临床疗效与安全性。
请相信,痴迷皮草那不过是一种反祖冲动;
A broken networked intelligence may be able to calculate pi to the billionth digit but not forward e-mail to a new address.
一个有损伤的网络智能也许能计算出圆周率的第十亿个数位,却不能向新地址转发邮件;
Similar words have been used by Mr Pi? ch in the past to mark the end of VW managers' careers .
皮耶希以往就曾说过类似的话,以终结大众管理层的职业生涯。
相关分析揭示了成就动机与实践智力之间不存在显著性相关。
Core 3: The value of Pi is the ratio of any circle's circumference to its diameter in Euclidean space.
圆周率的值,就是在欧几里德几何空间中,任一圆的周长和直径的比值。
But his masterpiece, the place closest to his heart, was the city he named after himself, Pi-Ramesse.
而在他的这些杰作当中,最贴近他心意的就是这座以他自己名字命名的都城-派拉姆西城。
唉,这画的是什么样的一个屁啊,看得我真不舒服。
Last month Tim Lee, a strategist at pi Economics, described the whole financial system as "the equivalent of a gigantic Ponzi scheme. "
上月,投资咨询公司piEconomics的战略家TimLee,把整个金融系统等同于“一个庞大的庞式计划。”
PI controller is widely used in wind turbine control system and its parameters need to be identified.
风电机组控制系统中PI控制器较多,需要辨识各PI控制器的参数。
1·Everyone should have access to the great works of the world, whether heavy (Shakespeare, “Moby-Dick”, pi to 1m places), or light (Peter Pan, Sherlock Holmes, the “Kama Sutra”).
所有人都应该可以阅读世界上的著作,不管是厚重的(莎士比亚,“白鲸记”,圆周率记录到小数点后一百万位),还是轻便的(彼得潘,夏洛克·福尔摩斯,“爱经”)。
2·You expect your child to know as many digits of PI as their age.
你希望你的孩子能记住的圆周率位数越多越好。
3·I wanted to choose 3, 7, 22 or 227 because they are used when estimating PI, but some other students must have had the same idea.
我想选3、7、22或227,因为在估计圆周率时要用到它们,但其他一些学生肯定有同样的想法。
4·Mathematics enthusiasts will this weekend be celebrating Pi day, which falls on 14 March in honour of the famous ratio's first few digits, 3.14.
数学迷们将在本周末庆祝他们的圆周率日,这一天之所以落到3月14号是为了纪念这个这个著名比例的头几位:3.14。
5·He used a computer, but you can also calculate pi at home with some needles and a sheet of lined paper.
当然,贝拉德要求助于电脑,不过你也可以用最简单的办法在自家客厅计算圆周率,所用材料只是几根针和一张横格纸。
1·Secondly, a method of pole assignment is put forward for designing switching surfaces of PI type.
其次提出了一种比例积分型切换超平面的极点配置设计方法。
2·The proposed method combines the advantages of both the fuzzy and PI control.
该控制方法结合了模糊控制和比例积分控制的优点。
3·A DC voltage outer loop control for power balance and PI correction and an ac current inner loop control for feedback are designed to ensure the current quality and stabilize the DC voltage.
通过直流电压外环的功率平衡控制及比例积分校正,配合内环并网电流反馈控制,使并网逆变器在保持并网电流质量的同时更好地控制直流电压。
4·A kind of nonlinear PI controller is presented in this paper. The theory analysis and experiment result prove that the nPI can improve static and dynamic characteristics of control system obviously.
本文提出一类非线性比例积分控制规律,理论分析和应用结果表明,它能显著改善控制系统的静态和动态性能。
5·This paper presents a decoupled control scheme for three?phase four?leg inverter through an inner current regulator based on space vector cascaded with an outer synchronous frame PI controller.
该文提出了一种采用内环空间矢量电流调节器和外环同步坐标比例积分控制器相级联的三相四桥臂逆变器的控制方案,实现了对三相四桥臂逆变器的解耦控制。
1·In his 16th year, Pi sets sail with his family and some of their menagerie to start a new life in Canada.
在他16年丕套驶其家人和一些动物园在加拿大开始新生活。
2·The rewards of a successful "PI" campaign will pay back your effort many times over.
一个成功的奖赏“ 丕”运动将回馈你努力多倍。
常用短语
PI controller
PI controller - 比例积分控制器