subsoil

	English	Abb.	学名	日本語	略称
1	subsoil			下層土
2	subsoil			心土
3	subsoil			底土
4	subsoil			路床土
5	development of the seabed and ocean floor and subsoil thereof			深海底開発
6	subsoil flow			伏流水
7	subsoil improvement by deep tillage			深耕土層改良
8	subsoil irrigation			下層土かんがい
9	subsoil water			伏流水
10	subsoil water			地下水
11	Treaty on the Prohibition of the Emplacement of Nuclear Weapons and Other Weapons of Mass Destruction on the Seabed and the Ocean Floor and in the Subsoil Thereof			核兵器及び他の大量破壊兵器の海底における設置の禁止に関する条約	海底非核化条約