There were grades in the population intension level from the lower reaches of the river to the upperriver.
整个流域的人口分布沿黄河河道由下游往上,人口密集程度呈梯度递减的特征。
2
Tonight, let's enjoy together the harp solo by the young performer Li Yange: Clear and Bright UpperRiver Picture.
今晚,让我们一起欣赏青年演奏家李彦歌的箜篌独奏:《清明上河图》。
3
The Northern Border Project also includes five similar systems Boeing delivered to the Buffalo (N.Y.) Sector. The Buffalo Sector deployment covers 15 miles of the Upper Niagara River.