| 1. | The elimination of trade barriers with the region can boost productivity even if trade patterns are not changed .
贸易壁垒的排除可以刺激劳动生产率的提高，即使在贸易结构没有改变的情况下也会如此。 |
| 2. | Those who haven ' t changed
那些没有改变的人呢 |
| 3. | Those who haven ' t changed ,
那些没有改变的人呢 |
| 4. | Many things have changed in six years but one thing that has not changed is the warmth and generosity of the chinese welcome
在这六年中许多事情都改变了，但是没有改变的是中国人民的热情与慷慨。 |
| 5. | Snails are ideal for this kind of study because humans and pond snails actually share some important characteristics , unchanged by evolution
对于这种研究，蜗牛是十分理想的动物，因为实际上人类和蜗牛在长期的进化中，有一些没有改变的重要共同点。 |
| 6. | However , the game itself has not changed in essence since its earliest days , though it is faster , more subtle and more demanding than it was even only twenty years ago
然而，乒乓由始以来，它的精髓是没有改变的。尽管现在其要求比20年前要苛刻的多。 |
| 7. | His original perspective about social issues and use of explicit lyrics did not change . " " heffy end " is about love through the perspective of a stalker
他的专辑中，表达出他对目前社会上所发行的出版品的观点，及写出直率的歌词内容，这一点，依然是没有改变的。 " |
| 8. | Equilibrium quantity ( qe ) is the amount of a goods in which there is no tendency to change because the quntity demand is equal to the quantity supplied at the given price
均衡数量是指某时商品在没有改变的趋势时的数量，此时，在指定价格下，需求量与供给量相等。 |
| 9. | The other half of the patients who have pneumonia usually includes a large group of patients with atypical pneumonia . atypical pneumonia is usually caused by viral agents such as influenza and other respiratory syncytial viruses . it is also caused by some other organisms such as legionella
就全世界而言，由于发病是季节性的，所以世界上各地有些不同，但大致上是5050的分布，但大致上我们看到这几个月这个模式是没有改变的，同时数目也大约相同。 |
| 10. | On the premise of the study about the developing of xi ' an city ' s water supply and the great variety in water supply and the shortage of water resource , aiming for the furthest benefit from the configuration of water supply source of xi ' an city and facilitating it ' s development , this paper analyzed the characteristics of water supply sources and its changing quantity , the rising demand of water in city and the situation about water supply source , studied the problem about water supply via a variety sources , raised the principles of optimized configuration of variety sources , built the model of water demand forecasting and optimized configuration , studied the configured plan and its managing pattern
本论文从研究西安市城市供水的发展过程入手，重点分析了城市供水水水源和城市用水需求增长的变化特点，在城市供水状况相当长的时期内将表现为供大于求的重大变化和西安市资源性缺水的现实没有改变的背景下，以实现最大限度地发挥城市供水系统的作用合理配置缄市供水水源，促进西安社会经济的持续、快速、健康发展的总体目标，研究了运用多水源科学合理的供水问题。分析了西安市城市供水水源状况、用水量变化特点以及各水平年需水量，提出了多水源优化调配的原则，建立了需水预测模型与优化调配模型，初步研究了西安市城市供水水源合理配置方案和相应的管理模式。 |
