Five microfacies of subsea distributary channel, its flank, subsea natural barrier, subsea interdistributary bay and coastal or neritic shale are developed in Block Wen 65 of Wenliu Oilfield.

文留油田文6 5块发育水下分流河道、水下分流河道侧翼、水下天然堤、水下分流间湾、滨浅湖泥5种微相。

youdao

Illinois officials, backed by the federal government, contend an electric barrier is keeping the carp at bay.

WSJ: Great Lakes governors seek agreement on invasives

They say the electric barrier in the shipping canal is keeping the carp at bay.

NPR: Gov. Quinn Open To Great Lakes-Mississippi Split

But today, a permanent dam barrier not the envisioned natural course of rapids is what keeps sea lamprey at bay.

WSJ: Real Rapids in Grand Rapids?