| Subject | English | Chinese |
| water.res., ecol. | diffuse pollution | 扩散污染 |
| environ. | diffuse pollution Pollution from widespread activities with no one discrete source, e.g. acid rain, pesticides, urban run-off etc. | 扩散污染 (由非单一原因的广泛活动造成的污染。例如酸雨、农药、城市下水堵塞等。) |
| earth.sc. | diffuse source pollution | 散源污染 |
| tech. | diffuse urban runoff pollution management | 城市径流污染弥散管理 |
| water.res., ecol. | urban diffuse pollution | 城市弥散污染 |