自二十世纪后半叶以来，在石油和天然气财富推动下，昔日的采珠人阶层、海滩商贩们和贝都因游牧部落早已改天换地。
Tiny societies of pearl divers, coastal merchants, and nomadic Bedouin were transformed in the last half of the 20th century by oil and natural-gas wealth.
成功的真正标志，不是我们是否成为让人能勉强度日的永久援助源泉，而是我们是否成为为实现改天换地的变化而进行能力建设的伙伴。
The true sign of success is not whether we're the source of perpetual aid that helps people scrape by, it's whether we are partners in building the capacity for transformational change.
我的母性直觉淹没了通常对改变的不情愿，而且一旦我决定我不喜欢那位医生后，我就直言不讳地告诉他的诊所我们要换地方。
My maternal instinct swamped my usual reluctance to make a change, and once I decided that I didn't like the doctor, I had no trouble telling his office that we were going elsewhere.
前后左右地环视你的听众，选择一个人作为焦点，然后再换另一个人。
Look to the back and front and from side to side of your audience, selecting an individual to focus on and then moving on to someone.
换 言之，译者必须用自己的手段尽可能地将原文的思想清楚有力地表达出来。
In other words, the translator must express the author's idea as clearly and as forcibly as he can by the medium he employs.
汽水比口香糖赚钱多了：每卖6瓶汽水，他能挣5美分。沃伦把挣来的硬币自豪地塞进挂在腰带上的一个棒球场形状的镀镍零钱找换器。
Soda pop was more profitable than chewing gum: he 5 netted a nickel for every six bottles, and stuffed these COINS proudly into the ball-park-style nickel-plated money changer on his belt.
面对沙发站立，一只脚轻轻地踩在沙发上，然后换腿，另一只脚踩在沙发上。
Stand facing the couch and tap your foot lightly on top, then switch legs and tap the other foot.
使用洗衣服务：如果可能，在你的目的地多洗几次衣服来代替每天换套衣服。
Do the laundry: If you can, do the laundry at your destination to wear clothes multiple times, instead of bringing an outfit for each day.
日程安排可以频繁变更，你也许需要换两到三次船才能抵达目的地。
Schedules can and do change frequently. You may need 2-3 ships to reach your destination.
这和换一家新餐馆吃饭或走一条新的上班路线，一样地简单。
This could beas simple as eating at a new restaurant or taking a new route to work.
正当他美滋滋地想着这些时，他想起自己明天早晨没有干净的衬衫可换。
While he was thinking thus elatedly, he remembered that he wanted some clean linen in the morning.
结果表明，短时间步温度反应系数模型可以较好地预测埋地换热器的换热性能，为地源热泵系统的设计与优化提供了依据。
The result proves that the short time step model can be used to predict heat exchange performance of the underground heat exchanger and to design and optimize a ground source heat pump system.
当我想用最新最贵的数码单反机拍近景时，我不得不先很麻烦地换镜头。
When I want to take a close-up with the most recent, and expensive, DSLR, I have to go to the trouble of changing the lens first.
沉降观测资料表明，采用树根桩托换技术有效地制止了建筑物的不均匀沉降。
As indicated by data of settlement observation underpinning with tree root pile prevented the unequal settlement of building effectively.
静态规划建立了混合整数规划模型，利用基于线性规划换基运算的支路交换法有效地求解该模型。
The static planning constructs the mixed integer programming model . A branch exchange technique based on the change base of linear programming solves the model effectively.
通过对分汊通道内的流动问题进行验证计算，结果表明该算法可以有效而准确地模拟复杂区域内的流动与换热问题。
It is proved that this algorithm can be effectively used to simulate fluid flow and heat transfer in complex geometry, by the validation calculation of flow inside branching channel.
他生气地从床上跳下来，把乐器搁在一边，便开始换穿他最好的一套衣服。
He jumped off the bed in a temper, put the instrument away, and started to change into his best suit.
肋片是一种强化换热的有效手段，在紧凑式换热器中肋片管已经得到了广泛地应用。
Rib is an effective means of fortified heat exchange, the rib tube has been widely used in the compact heat exchanger.
为了建立汽车尾气催化转化器冷启动过程温度场变化的数学模型，必须正确地选取对流换热系数关联式。
To choose the proper correlation for convection coefficient is very important in modeling the temperature field in a cold-start Automotive Catalytic Converter.
但俄亥俄州立大学的科学家认为，繁忙的社交生活能更有效地进行这一转换。
However, scientists from Ohio State University think that having a busy social life is an even more effective way of carrying out this conversion.
在弯道处布置放射状的肋片，能够非常好地增强换热。
Also, the ribs in the corners can significantly enhance the heat transfer.
整个过程既能很好地对被加热介质进行加热，又使蒸汽与介质得到充分换热。
The whole process can well heat the heated medium, and makes the vapor and the medium fully exchange heat.
本发明通过上述结构，可以使气流在冲刷时呈不断扰动状态，有效地提高了换热量和换热效率。
It is characterized in that: the wings have grooves. The invention can make the airflow in disturbed state when in brushing, to effectively improve the heat exchange efficiency.
本发明集地暖、空调、制取热水于一体，能源利用率高，提高换热效率。
The invention integrates ground heating, air-conditioning and producing hot water with high energy utilization rate and improves heat changing efficiency.
计算结果表明，相变微胶囊的加入：较好地提高了流体的换热性能。
The calculated results reveal that putting the phase change microcapsules into the fluids better improve the heat transfer capabilities of the mixture.
在预测管壳式换热器的振动时，准确地计算换热管的自振频率是非常重要的。
Calculating natural frequencies of the heat exchanger tube is an essential step in predicting its potential for flow induced vibration failure.
在预测管壳式换热器的振动时，准确地计算换热管的自振频率是非常重要的。
Calculating natural frequencies of the heat exchanger tube is an essential step in predicting its potential for flow induced vibration failure.
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