The paper introduces the design and application of perforated weir-riser distributor with toothed weir, which is used in the modification of n-paraffin separation unit.

详细介绍了带齿形堰的筛孔溢流盘式分布器在正构烷烃分离装置改造中的设计与应用情况。

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Align the brackets of the factory-installed car stereo with the mounting holes marked "n" on the side of the Media Center main unit, and use the supplied pan-head screws6 to fasten the brackets.

把工厂安装的汽车立体声机架和媒介中心主机侧面标有“N”的安装孔对准，使用附带的盘头螺钉6安装机架。

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A unit vector normal to the plane of t and n, which is the plane of curvature.

所构成的平面的单位向量，该平面为曲率所在的面。

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In the spring of 1994, in Kigali, Rwanda, three Westerners a wily Catholic priest and schoolmaster (John Hurt), his sincere young disciple (Hugh Dancy), and a Belgian military man (Dominique Horwitz) who heads a U.N. unit hunker down in a besieged school with about twenty-five hundred Tutsis under their protection.

NEWYORKER: Beyond the Gates

The infiltrators fled the scene after the A.U.-U.N. police unit returned fire, the mission said.

CNN: STORY HIGHLIGHTS

Milosevic remained in the U.N. detention unit in Scheveningen outside The Hague, and was not in the courtroom.

CNN: Lawyers demand Milosevic's freedom