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

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S, t, u parameters and new physics

S，T，U变量与新物理

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A case management example E U damage claim

案例管理示例E U损害索赔

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Quantitative Analysis for U ( 1) Gauge Theory

U（1）规范理论的定量分析

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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。

高考真题- 2017 全国1卷 阅读D

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

我保证我会还给你的！！

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Dance in the U ． S ． is everywhere ．

在美国,舞蹈无处不在。

高考真题- 2018 全国3卷 七选五

The improvement of the safety device of U model mine car

U型矿车保险装置的改进

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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。

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Spectrometric method for direct determination of~ ( 235) u

光谱法直接测定~（235）U

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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"。

中考真题- 2018 北京 阅读表达

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

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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

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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。

《柯林斯高阶英汉双解学习词典》

Mathematical model research on U shape parts for plate bend

钣料弯曲U形件的数学模型研究

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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

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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。

高考真题- 2018 浙江 阅读B

The difference of measurement data was detected by U test.

计量资料差异性测定采用U检验。

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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；

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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。

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