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Through the establishment of water environment management information system of Supa River basin, an improved BP neural network model made for the comprehensive assessment on the water quality of the basin concerned is presented in accordance with the condition with better water quality and without any principal economic industries therein.

通过建立苏帕河流域水环境管理信息系统，针对苏帕河流域没有主要经济产业、水质较好的状况，侧重于介绍建立改进的 BP神经网络模型对流域的水质进行综合评价。

The average sequence divergence between individuals was 0.0006, while the range within a population and between populations were both 0-0.0013. Fst values were 0.0704, 0.0491, and 0.0792 for Cox1, ND1, and the combination of both genes. These data showed significant genetic variances (P.05) among geographic populations. The taimen populations in Heilongjiang River could be divided into four subpopulations based on Fst values between these geographic populations. However, these populations shared one common haplotype (BH11) shown by haplotype network and haplotype distribution frequency analysis. This suggested that they evolved from a common ancestor (likely a population in the upstream of the Heilongjiang river) and shared common gene flows.

单倍型网络和AMOVA分析结果均表明黑龙江流域哲罗鲑存在显著的群体分化，Cox1基因、ND1基因及组合数据的群体间Fst分别为0.0704、0.0491、0.0792，均达到显著性水平（P.05），根据配对群体间Fst可以将黑龙江流域哲罗鲑群体分为黑龙江上游群体、呼玛河群体、乌苏里江群体、内蒙古伊敏河上游群体4个地理群。9个群体共享同一个单倍型（BH11），表明这些群体具有相同的演化历史，为同一个祖先群体演化而来。

The middle colonies, the land between the Potomac and the Hudson rivers was, on the whole, fertile and readily tillable and therefore enjoyed a comparative advantage in the production of grains and other foodstuffs.

介于波多马克河和哈得逊河之间的中部殖民地的土地总的来说比较肥沃且适于耕种，因而在谷物与其它食品的生产上占有比较优势。

The sediment sandstone layers of meandering stream are thin and varied laterally. And those of braided transport quickly and aggraded vertically. They increase hardness against improving the prospecting resolution.

由于曲流河相沉积砂体的单层薄、横向变化；辫状河相沉积的砂体迁移快、垂向加积等特点，增加了在勘探过程中对其分辨的难度。

Joint Chiefs of Staff during the 1991 Gulf War, said in 1996 that the United States considered bombing dams on the Euphrates and Tigris rivers north of Baghdad but desisted, apparently because of the likelihood of high civilian casualties.

科林·鲍威尔是1991年海湾战争时期的美国参谋长联席会议主席，他在1996年说，美国原想轰炸巴格达北部幼发拉底河与底格里斯河上的水坝，后来终止，显然是因可能会导致大量平民伤亡的缘故。

During the development of maritime trade, Nam Ha gradually established some fairly complete systems of trade management, taxation and shipwrecking salvage. These institutes and systems made Nguyen\'s management of maritime trade more institutionalized and formal.

南河在海外贸易发展过程中，逐步建立起了较为完备的海外贸易管理机构、征税体系以及海难船救助制度，这些机构和制度的建立让阮氏对南河海外贸易的管理更加制度化和规范化。

Speak, and say, Thus saith the Lord GOD; Behold, I am against thee, Pharaoh king of Egypt, the great dragon that lieth in the midst of his ***vers, which hath said, My ***ver is mine own, and I have made it for myself.

29：3 说主***如此说，埃及王法老阿，我与你这卧在自己河中的大鱼为敌。你曾说，这河是我的，是我为自己造的。

It takes 9 days to have stable Fe removal with a filter chamber filled with sand and 2 days for the filter chamber of manganese mineral filtration. Forty-eight days are needed to have stable Mn reinoval with a filter chamber filled with sand, and 2 days for a filter chamber of manganese mineral filtration.

结果表明，在滤速为8.3m/h、进水pH值为6.8、溶解氧为1.7mg/L的条件下，河砂填料和锰砂填料滤柱对锰的去除效果分别需9d和2d即可稳定，出水铁浓度均在0.3mg/L以下；河砂填料和锰砂填料滤柱对锰的去除效果分别需要48d和16d方可稳定，出水锰浓度均在0.1mg/L以下。

He admitted his errors and wrong-headedness and made a full apology to Rat for losing his boat and spoiling his clothes.

他承认自己的过失和糊涂，为了弄丢河鼠的船，弄坏了他的衣服，他向河鼠深深道歉。

If the down-river farmer has the right to sufficient water, the up-river farmer must compensate him for his loss.

如果向下的-河农夫正义到充分的水，向上-河农夫必须偿还他为了他的损失。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。