Family name. The family name, positioned first, is passed on by the father to his children. It is estimated that there are around one hundred family names in common use, although some are far more common than others. The name Nguyá»n is estimated to be used by almost 40% of the Vietnamese population.
The Doldrums . The Doldrums, also known as the Equatorial Convergence Zone. The axis, or a portion of the broad trade wind of the tropics. This axis is the dividing line â¦ between the southeast trades and the northeast trades, of the Southern and Northern hemispheres converging around the equator.
The Doldrums are regions of the Atlantic and Pacific oceans that have little if any wind. This was a particular problem for sailors in the past when they depended on the winds to propel their ships, a problem that could be potentially deadly.he trade winds border the Doldrums both to the north and south. Then there are the prevailing westerlies in the higher latitudes and the polar easterlies near both poles. The rising moist air in the Doldrums can spawn tropical storms and hurricanes.