支流河谷 meaning in English

tributary valley

The main characters of the river - valley landforms are followed : the outstandingly longitudinal range - gorge landforms constitute the unique view of three parallel rivers ; the relative highness difference of the landform is great and the river valley cut deeply ; the formation and evolution of the river - valley landforms are obviously controlled by the geological structure ; the landforms types and the various characters of the landforms combination in the drainage area are prominent ; the geological environment has relatively strong frangibility ; the branches riverhead of the river - valley mostly come from high mountains and lakes , and the river - valleys of the branches along the banks have disproportional distribution
其河谷地貌的主要特征有：突出的纵向岭谷地貌，构成了少有的三江并流奇观；地貌相对高差大，河谷深切；河谷地貌形成演化发育明显受地质构造控制；流域范围内地貌类型和地貌组合多样化特征突出；地质地貌环境具有较强烈的生态脆弱性；河谷支流水源多发源于高山湖泊，两岸支流河谷分布不均衡。