In other words, delta u is less than zero.

U-Tube Heat Exchanger Research and Optimization

U形管式换热器的研究与优化设计

S, t, u parameters and new physics

S，T，U变量与新物理

A case management example E U damage claim

案例管理示例E U损害索赔

Quantitative Analysis for U ( 1) Gauge Theory

U（1）规范理论的定量分析

Developed by two doctors in the U ． S ． Department of Agriculture, it's an excellent water collector ．

它是由美国农业部的两位医生研制的一种优质集水器。

I promise!! I'll give u it back!!

我保证我会还给你的！！

Dance in the U ． S ． is everywhere ．

在美国,舞蹈无处不在。

The improvement of the safety device of U model mine car

U型矿车保险装置的改进

You'll run into the hotel and hide behind the u, n.

你会逃进饭店，投靠联合国的人。

Spectrometric method for direct determination of~ ( 235) u

光谱法直接测定~（235）U

The fact" ． Some schools have U grade for "unsatisfactory", or I grade for "incomplete".

事实上,有些学校以U等表示"不满意",或以I等表示"未完成"。

A surface modeling method of 3D femoral image reconstruction based on u/ v control line

一种基于u/v控制线实现股骨三维重建的曲面造型方法

Building and identifying method about the unique identification of U disk

U盘唯一性标识信息的构建与识别方法

He spun the wheel sharply and made a U turn in the middle of the road

他猛打方向盘，在路中间掉头。

Mathematical model research on U shape parts for plate bend

钣料弯曲U形件的数学模型研究

Abnormal U waves in the diagnosis of the ischemic myocardial disease

U波异常对缺血性心脏病的诊断价值探讨

But people's opinion about the modern U ． S ． school year, which averages 180 days, is still divided ．

但是人们对平均为期180天的现代美国学年看法不一。

The difference of measurement data was detected by U test.

计量资料差异性测定采用U检验。

PVC-U pipe is widely popularized to use in China today.

目前，国内掀起了推广使用PVC-U硬聚氯乙烯管的热潮；

Louis, get on to the u, n, tell them what's happening.

路易斯，接通联合国，告诉他们发生的一切。