To reflect magnetic properties of the sediments from the Changjiang and Huanghe fully, surface sediments were collected from the river channels and higher tidal flat of the estuaries.
为较完整地反映长江口和黄河口沉积物的磁性特征，对两大河口所覆盖的区域进行大面积布点采样。
To reflect magnetic properties of the sediments from the Changjiang and Huanghe fully, surface sediments were collected from the river channels and higher tidal flat of the estuaries.
为较完整地反映长江口和黄河口沉积物的磁性特征，对两大河口所覆盖的区域进行大面积布点采样。
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