ULTRA-FINE WHITE CARBON BLACK  超细白炭黑

ultra-large and ultra-deep  超大超深

Ultra-shallow-buried and Ultra-high Sectional Tunnel  超浅埋超高断面

ultra-short and ultra-intense laser  超短超强激光

ultra-short and ultra-intense laser pulse  超短超强激光脉冲

ultra-short and ultra-intense laser pulses  超强超短激光脉冲

Ultra-short ultra-intense laser  超短超强激光

Ultra-short ultra-intense laser pulse  超短超强激光脉冲

Black boned chicken with black feather  黑凤鸡

BLACK OVER BLACK  黑染黑

Black-Scholes Option Pricing Model Black-Scholes  期权定价模型

call white black、 swear black is white  无线个人局域网(WPAN); 无线个域网(WPAN); 颠倒黑白、颠倒是非、混淆是非

infra-black region (blacker than black region)  超黑区

spring black stem of black stem of the alfalfa  苜蓿茎炫f菌

(Ultra) high frequency time series  (超)高频金融时间序列

(ultra) supercritical parameter  超(超)临界参数

(ultra-wideband) UWB signal  超宽带信号

1 000 kV ultra high voltage(UHV) power transmission  1000kV特高压输电

1 000 kV ultra-high voltage direct current  1000kV特高压直流