Sounding the sea!

The  ocean floor features can be measured and mapped using current acoustical technology? yes they can because you can use sand waves. Commercial and military industries can both use ocean floor maps by utilizing the ocean floor.
A flat abyssal plain- is an underwater plain on the deep ocean floor, usually found at depths between 3000 and 6000 m.
An underwater seamount or guyot-  A guyot also known as a tablemount, is an isolated underwater volcanic mountain (seamount), with a flat top over 200 metres (660 feet) below the surface of the sea.
A continental shelf, break, slope, and rise- The continental shelf is the extended perimeter of each continent and associated coastal plain. Much of the shelf was exposed during glacial periods
A submarine canyon on the contential shelf- is a steep-sided valley cut into the sea floor of the continental slope, sometimes extending well onto the continental shelf.
the mid-ocean ridge - are geologically active, with new magma constantly emerging onto the ocean floor and into the crust at and near rifts along the ridge axes.
A trench and island arc-  is a type of archipelago, often composed of a chain of volcanoes, with arc-shaped alignment, situated parallel and close to a boundary between two things. A trench and island arc system.
the mid-ocean ridge
A flat abyssal plain