年中

However, new educational trends have emerged in the humanities and social sciences in the past two decades.

然而在过去20年中，在人文科学和社会科学的教学中出现了新的教学趋势。

Over the past couple of years, small businesses have lost hundreds of thousands of jobs.

在过去的几年中，小企业失掉了成百上千的岗位。

Afterwards, make use of the whole year MODIS-NDVI data of 2004 of Leimeng grassland, Hainan evergreen broad-leaved forests and Qinghai's west hungriness, test the ability of the model of NDVI based on MODIS in monitoring vegetation. The result shows that the MODIS-NDVI can reflect the differences of variety of vegetation and the changes of growth of the same vegetation.

接下来利用2004 年内蒙草原，海南省东部常绿阔叶林和青海省西部荒漠一年中的MODIS-NDVI 数据，对MODIS-NDVI 监测不同植被和土壤覆盖类型的特性进行了研究，结果说明基于时间序列的MODIS-NDVI 对植被种类的生长变化进行了很好的描述。

Achievements, such as the development of the atomic bomb , the hydrogen bomb and ballistic missiles.

在这二十年中我们并不是什么好事都没有做，我们做了许多工作，也取得了一些重大成就，比如搞出了原子弹、氢弹、导弹等。

Neutron Scattering is an ideal technique for studying hydrogenous compounds, thus during the last 20 years it has become very useful for the study of water.

中子散射是研究含氢化合物的理想实验手段，因此，在过去的20年中，中子散射也成为研究水的有利工具。

Last year she lived in the South of France and taught English to lots of hyperactive French children.

在过去的一年中，他在法国北部地区教授青少年英语课程。

In order to improve the dynamic characteristics of above motor drive, a nonlinear PI type speed controller based on hyperbolic tangent function was presented, and applied in the indirect vector control of an induction motor.

过去30年中，模糊控制技术在非线性系统的建模和控制领域中获得了深入研究和广泛应用[1]，研究发现，它比传统线性PI控制技术在感应电动机矢量控制系统中有更优越的动态控制性能，但也存在要求较多的实际经验、实现代价较高和高频抖振等不足之处[2]。

Over the decades and centuries, hyperinflation has wreaked havoc in more than a few countries.

在过去的几十年甚至几百年中，恶性通货膨胀已经在不少国家中制造了浩劫。

The past decade has witnessed a resurgence of interest in the use of hypertonic saline for low-volume resuscitation after trauma.

过去的十年中我们见证了高渗盐水在外伤性低容量复苏治疗中再次启用。

In the past year, I have had much happen to me.

在过去的一年中，我必须说，许多事发生了。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。