2u

1

Most safety standards use the 2U - 11000 V formula as the basis for testing basic insulation , where U is the operating rms voltage .

大部分安全标准对测试基本绝缘采用2U+1000伏作为基本公式，U为运行电压的均方根值。
2

Taq enzyme concentration 2U ;

Taq酶用量为2U；
3

The 2U Dollar Bill

20美元钞票
4

The theoretical reason why the symmetrical A_ ( 1g ), state is higher than the anti symmetrical A_ ( 2u ) state is analysed .

从理论上指出了对称性的A（1g）能级反而高于反对称性的能级的原因。
5

Taking 2U pack-mounted server as the research object , the flow and acoustic field was simulated , and the optimization design for reducing the noise was studied with FLUENT software .

本文以2U机架式服务器为研究对象，基于FLUENT软件进行流场和声场的数值仿真方法研究及降噪优化设计。
6

The sandwiched films with the structure of 2.5um/2um/2um and 2u m / 2um / 2 u m have been prepared by covered-module method . GMI effect will be studied in deposited and annealed samples with variation of magnetic field , driving frequency and current .

用掩膜法制备了每层厚度为2μm和2.6μm的三明治膜，将研究退火前后样品的GMI效应，包括随磁场、驱动频率、交流幅值的变化。