During 1990â2003, Pakistan sustained its historical lead as the second-most urbanized nation in South Asia with city dwellers making up 36% of its population. Furthermore, 50% of Pakistanis now reside in towns of 5,000 people or more.
Submarine Propulsion Systems. During World War II, most American submarines were powered by diesel-electric systems. This was a departure from earlier submarine power systems, which were direct drive types, little changed from the earliest boats. In this direct-drive power system, the diesel engine is directly connected to the propeller shaft.
Verb. 1. submarine-move forward or under in a sliding motion; The child was injured when he submarined under the safety belt of the car. slide, slew, slue, slip, skid-move obliquely or sideways, usually in an uncontrolled manner; the wheels skidded against the sidewalk.n this spot there is a submarine valley worn by Humboldt's current, which skirts the coast of America as far as the Straits of Magellan.