ultra

adj.

过激的，极端的；

n.

过激论者，急进论者；

复数：ultras

ultra violet紫外光；紫外线辐射

ultra vires[律]超越权限（源自于拉丁语）

ultra high speed超高速

ultra fast超快速

ultra high frequency超高频

ultra bright超亮的

1. The duty on ultra low sulphur diesel is a steady source of revenue.
   超低硫柴油税是一项稳定的收入来源。
2. The ultra wide angle camera stretches the view to fit into a rectangular plane.
   这种超广角摄像机会把视野拉伸成一个长方形的平面。
3. Any provision in that way is said to be ultra vires and is void.
   这种越权的条文将被废止。
4. Unique,last,it's an ultra expression.Up to the present moment it's the most desperate voice the human being can yell out.
   唯一的，最后的，这是极端的表达，是人类目前所能发出的最绝望的呼声，是一切词语的尽头。

PRESENT: An Ultra-Lightweight Block Cipher
Ultra-large-scale syntheses of monodisperse nanocrystals
Telos: enabling ultra-low power wireless research
Ultra-high resolution imaging by fluorescence photoactivation localization microscopy.
Ultra-wide bandwidth time-hopping spread spectrum impulse radio for wireless access communications
Localization via ultra-wideband radios: a look at positioning aspects for future sensor networks
Solution hybrid selection with ultra-long oligonucleotides for massively parallel targeted sequencing.
Revision of Part 15 of the Commission's Rules Regarding Ultra-Wideband Transmission Systems
Principle of equal-channel angular pressing for the processing of ultra-fine grained materials
The distribution and chemical composition of Ultra centrifugically separated lipoproteins in human serum. J. Clin. Invest. 34, 1345-...