Biologists speculate that the mostly likely cause was a shift in Pacific Ocean currents, but food availability, changing river conditions and predator-prey relationships could be affecting the fish.
生物学家推测，最有可能的成因是太平洋洋流的变化，不过食物的取得、河流环境的改变、生物掠夺关系等，也都可能对鲑鱼造成影响。
A river would not be one and the same river were it not for the fact that the water fowling in it is always changing, as are the river Banks and even the course of the river.
一条河流不会永远是这一条河流，不仅仅是因为它的河水总是不断变化，甚至河源和河道都在不断改变着。
Like I said, river conditions are always changing.
像我说的，河水总是在变。
A valley consisting of small mountains and picks rising up from the desert on both sides of the river, changing colors from beige to light brown, to reddish, anthracite and soft grey.
小山脉组成的山谷，从河流两岸部分突起，颜色从米色到浅棕色再到赤红色、无烟煤色和柔软的灰色，一直变化着。
The bridge project, Caidian Hanjiang River, requires High Performance Light-Weight Concrete due to its structural design changing.
蔡甸汉江大桥由于结构设计变更，要求桥面混凝土采用轻质高性能混凝土。
Changing with the sunshine or the time of day, the building dialogues with the river through its reflections: there are very close parallels with a wine's constantly changing appearance.
随着阳光的日变化，该建筑通过河上的倒影不断进行着时间的对话：它与葡萄酒不停变换的外观十分相似。
The sun is setting. I feel this river flowing through meits past, its ancient soil, the changing climate. The hills gently girdle it about: its course is fixed.
太阳正在落下。我觉得这条河正从我身上流过—它的过去、它年代久远的土壤和多变的气候。群山轻柔地束缚着它，因而它的流向早已确定。
The river builds them up, the sea wears them down; their Outlines are always changing.
河流形成它们，海洋磨损它们；他们的外形一直在变。
Because of the frequent flooding of the Yellow River, the environment of Yellow River flooding area is changing continually.
由于黄河频繁泛滥，使得黄泛区生态环境不断变化。
The landform evolution of Xianyang since the end of Qin Dynasty contains two aspects, the northward moving of the Weihe River bed and the changing of the edge slope of Xianyang tableland.
秦末以来，秦都咸阳地貌演变包括渭河河道北移和咸阳原边坡地貌变化两个方面。
Describe the changing trend of water qualities in the river in the recent 50 years using statistics.
用统计分析的方法描绘河水水质近50年的变化趋势。
You can only get control of your time and your life by changing the way you think, work and deal with the never ending river of responsibilities that flows over you each day.
想要掌控你的时间与生活，你只有改变你的思考方式，工作方式，以及处理纷繁复杂的事务的方式。
Thee changing course of a river channel as the action of the water wears away the rocks past which the river flows.
河流随着水的作用流向发生变化，会侵蚀河流流经的岩石。 。
Taking the changing tendency forecast of the channel patterns as an example, we have further discussed the application of geomorphic thresholds to the channel process in the Lower Yellow River.
并且以河型转化趋势预测为例，对地貌临界在河床演变中的应用作了进一步的探讨。
I feel this river flowing through me its past, its ancient soil, the changing climate.
我觉得这条河正从我身上流过—它的过去、它年代久远的土壤和多变的气候。
Endless Yangtze river is the permanent architecture for architect edification. When architecture meets river, the changing life is growing with time.
恒久不息的长江是时间的建筑，带给当代建筑师浑厚的启迪，遇见水，建筑便是变幻的生命体，是随着时间生长的建筑。
According to the features of the forking_shaped river section, we have adopted the comprehensive regulation measures of "changing, fastening, filling and planting", and got good effect.
针对分叉型河段的特点，采取一改、二锁、三堵、四植的综合治理措施，取得良好效。
Zaha Hadid's Olympic Village Masterplan opens Hunters Point to a rapidly changing future on the East River.
扎哈·哈迪德的奥运村开猎人总体规划上的一个点东河瞬息万变的未来。
With the conditions of Lancang - Mekong waterway changing for better day by day, the Lancang - Mekong River is becoming a new tourism route on the rise with great developing potentials.
随着澜沧江-湄公河航道条件的不断改善，澜沧江-湄公河已开始成为一条具有巨大发展潜力的新兴旅游线。
In the national historical long river of China, "crow" object's cultural symbolic meaning is changing constantly, and meet for ill omen finally.
“乌鸦”物象在华夏民族的历史长河中，其文化象征意义不断地发生着变化，并最终合流为不祥之兆。
Regulation of bend convex bank channel at river estuary was of great technical difficulties under the prerequisite of not changing the river regime.
河口区弯道凸岸段水深治理 ，在不改变大河势前提下 ，其技术难度较大。
In this paper the writer makes a preliminary research on the calculation method of the areal rainfall on different changing gauging stations in the river basin.
对一个流域每年不同测站的面雨量推求方法进行了初步的研究 ，采用泰森多边形法实现在微机上的计算。
In this paper the writer makes a preliminary research on the calculation method of the areal rainfall on different changing gauging stations in the river basin.
对一个流域每年不同测站的面雨量推求方法进行了初步的研究 ，采用泰森多边形法实现在微机上的计算。
应用推荐