查询词典 U-boat

N is the formal connection between U and TOPIA and also a meaningful interruption.

在这里，N对于U和TOPIA而言既是一种形式上的连接，又是一种意义上的阻断。

Secondly,we derive the complete decomposition of U(1) and SO(2) gaugepotential using the unit vector of the wave function,through which we show thatthere exists a topological invariant number in quantum mechanics,which iscorresponding to the winding number.

其次，我们用波函数的单位矢量导出了U(1)和SO(2)规范势的完整分解式，表明在量子力学中存在着一个对应于环绕数的拓扑不变量。

Sliding friction characteristics of these films against U-Nb alloy pin were evaluated by a pin-disc tribometer and Scan Electrical Microscopy.

利用销盘摩擦磨损试验机并结合SEM观察分析了对偶销为U-Nb合金时，试样的摩擦学性能并讨论了摩擦磨损机理。

The frictional force and wear are two basic parameters for the investigation of friction and wear properties,but the frictional force can not be measured with the OAT-U high temperature tribometer .

文章针对日本产OAT-U大越式高温摩擦磨损试验机不能测量摩擦力的不足，对其进行了改造，增加了摩擦力的在线测试功能。

This can be extended to nxn tridiagonal matrix with L, U bidiagonal.

把它推广到nxn三对角线矩阵使具有两对角线的矩阵L、U。

The German U-boats posed another threat. On December 23 a troop carrier had been hit by a torpedo in the Channel, outside Cherbourg.

还有德国U型潜艇的威胁。12月23日，在瑟堡港外的海峡里，一艘运兵船就被鱼雷击中。

Elongated panels such as inverted U-shaped panel (22), elongated panel (36), and a second elongated panel (40), all include a stiffening foam layer which, together with rectangular panels (28) and (34), define an overall truncated pyramid shape on the packing door.

加长板，如倒置U形板(22)、加长板(36)和第二加长板(40)，都包括一加强泡沫层，该加强泡沫层与矩形板(28)和(34)一起，在包装门上限定了一个整体上截头棱锥形状。

Ascitic fluid ADA activity was higher than 30 U/L in 80％ of tubercular ascites, while none of non-tubercular benign ascites reached to such level.

腹水ADA＞30 U/ml者在结核性腹水组中占80％，而非结核性良性腹水组的患者均低于此值。

Another tweeter, known as bfalke, claimed: iTunes U may be one of the most amazing tools on the internet.

"另一种高音，作为bfalke称，声称："通过iTunes U可能是最令人惊讶的工具之一，在互联网上。

Attached two-car garage with direct entry into convenient U-shaped kitchen with greenhouse window and 2 pantry/closets.

两个连屋车库，可直接进入方便的U形厨房与温室窗口和两个壁橱。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。