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Recent years, aquiculture production is rapidly developing in China and world. The water quality

水产工厂化养殖近年来发展迅猛，其养殖水域中水质控制直接影响到水产养殖业的产量、质

They asked the Arabella tribe, which has been in intermittent contact with the outside world since the 1940s, about recent sightings or evidence.

他们对阿拉贝拉人的语言模式以及口头史料进行了分析。

A recent report said more schools in the United States are teaching Chinese and Arabic, although the numbers are still low.

最近的一份报告说，美国有更多的学校和阿拉伯语教学中，虽然数字仍然偏低。

The cowpea trypsin inhibitor gene and the bar gene discovered in recent years are found to be used for insect-resistant and anti -herbicide respectively because of their broad spectrum and are used in gene improvement of many crops widely now. Using the peanut Arachis hypogaea L. cv. Shanyou 523 and Arachis hypogaea L.

在多种抗植物虫害、耐除草剂基因中，豇豆蛋白酶抑制剂基因(cowpea trypsin inhibitor，CpTI)和耐除草剂基因因其抗虫和耐除草剂的广谱性而成为效果最为理想的外源基因，被广泛地应用于农作物抗虫、耐除草剂基因的改良上。

It has been widely used in recent years, for it not only preserves several advantages of B-spline surface, especially the affine- invariance, but also has some special advantages such as adaptability to arbitrary topology which parameter surface doesn't have.

它不仅具备B样条曲面仿射不变性等良好性质，还具有参数曲面所没有的任意拓扑适应性等特点，因而近年来得到了广泛的应用。

This technology not only preserves the properties of localness and affine-invariance of B-spline surface, but also has some special advantages such as adaptability to arbitrary topology which parameter surfaces dont have. These good qualities makes subdivision surface used widely in recent years.

它不仅具备B样条曲面的局部支承性、仿射不变性等良好性质，而且具有参数曲面所没有的任意拓扑适应性等特点，因而近年来得到广泛的应用。

Plasma arc welding is a new technology which is developed in recent years.

等离子弧焊接技术是近年来发展起来的机械零部件焊接新技术。

With the rapid development of Internet in recent years, computer systems arc facing increased number of security threats.

近年来随着因特网的飞速发展，计算机系统也面临着越来越多的安全威胁。

In recent years,scientists have found some methods and tools to study the most subjective and most personal subject in an impersonal way,and by observing the patients with cerebral lesion,they have been able to peek the arcanum of consciousness.

近年来，科学家已经找到了一些可以对这个最主观和最个人的事物进行客观研究的方法和工具，并且借助大脑损伤的病人，科学家得以一窥意识的奥秘。

In recent years, paleodiet becomes one important research area in archaeology.

近年来 ，古食谱研究已成为考古学研究中一个重要的领域。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。