association law [= law of association]

change law of water and soil

change law of water consumption

evolutionary law of water resources

Law of Water and Soil Conservation

law of water cutting volume factor

Law of water needing

law of water use

Law of water-moving and variation

the law of water and soil loss

the rule of law of government

variation law of water quantity

amount of water of discharge liquor

figure coefficient of infiltration water

infiltration of water

water infiltration of shaft-wall

water of infiltration

1982 United Nations Convention on the Law of the Sea

A country under the rule of law