You start with the square of an electron's charge, divide it by the speed of light and Planck's constant, then multiply the whole lot by two PI.
一开始将电子电荷平方，再除以光速和普朗克常数，然后将总数乘以2个圆周率。
Two years ago, Tammet became famous for reciting pi to 22, 514 decimal places with the same ease that the rest of us can reel off 3.142.
两年前，Tammet因为背诵 π至小数点后22514位而出名，而且他背起来就像我们背到3.142那么容易。
The control scheme consists of two PI voltage controllers and one hysteresis current controller.
其控制系统由两个PI电压控制器和一个滞环电流控制器组成。
Secondly, two neural networks controllers for the ramp control are developed, which are the direct controller and the PI controller.
其次，论文设计了两种用于入口匝道控制的神经网络控制器——直接型和积分型。
This paper presents a power system intelligent PI stabilizer, which consists of two -layer decision unit, distinguishing unit and intelligent PI control unit.
本文提出一种电力系统智能PI稳定器的设计方法，它由两层决策系统、识别环节及智能PI控制环节组成。
The actual debugging experiments of two kinds of fuzzy-PI compound controller are carried on, and the experimental results are analyzed and summarized.
对两种模糊- PI复合控制进行了实际的调试实验，并对实验结果做出了分析和总结。
The method presents the parametric expression for the gain matrix of the high-order PI observer. The contained parameters satisfy the needs of two constraints and are completely free as well.
该参数化方法给出了该类观测器增益矩阵的参数化表达式，其所含参数除了满足两个约束条件之外是完全自由的。
In conventional SVM-DTC, two PI controllers are used to generate the two components of reference voltage vector.
传统SVM - DTC中使用两个PI控制器来产生参考电压矢量的两个分量。
Based on the model reduction theory in frequency-domain, two predictive PI (d) controller design methods for high order processes with time-delay are proposed.
利用频率域模型降阶理论，提出了高阶时滞对象的预测PI (D)控制器两种设计方法。
On the surface, the film is about Pi's tale of survival – yet Life of Pi holds so much more within its two-hour running time.
表面上，这部影片讲述的是派的生存奇迹，而《少年派的奇幻漂流》在两个小时中讲述的远远不止这些。
Two PI adjusters were applied for wire feeding velocity control, one performed motor armature voltage feedback, the other one executed arc voltage feedback to determine the given velocity.
送丝速度通过两个PI调节器进行双闭环控制，分别进行电枢电压反馈和电弧电压反馈。
Two PI adjustors were applied for wire feeding velocity control, one performed motor armature voltage feedback, the other one executed arc voltage feedback to determine the given velocity.
送丝速度通过两个PI调节器进行双闭环控制，分别进行电枢电压反馈和电弧电压反馈。
Two parts form the UDI: the mandatory device identifier (di) and the conditional production identifier (PI).
UDI由两部分组成：强制性的器械标识符(DI)和受条件限制的生产标识符(PI)。
Two PCR amplified fragments were found to be tightly linked to Pi-h-1 (t) by RAPD analysis. of near isogenic pools of DNA from F2 plants.
应用近等基因池DNA和随机引物，经PCR扩增和共分离分析，建立了二个RAPD片段与抗病基因紧密连锁。
The PI observer has two feedback loops, a proportional loop and an integral loop of the estimation error; in this way, the PI observer can estimate not only the states but also the unknown inputs.
该观测器包含有估计误差的比例和积分回路，可同时得到状态和未知输入估计。
The PI observer has two feedback loops, a proportional loop and an integral loop of the estimation error; in this way, the PI observer can estimate not only the states but also the unknown inputs.
该观测器包含有估计误差的比例和积分回路，可同时得到状态和未知输入估计。
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