起源

A transition period or a stage of development when things are changing from an old state to a new one. It is often characterized by instability.

The emergence or rise of a new power, influence, movement, or technology that gains prominence. It literally means 'raising one's head.'

The transition to new manufacturing processes in Europe and the US, in the period from about 1760 to sometime between 1820 and 1840.

The act of appearing or coming into existence. Often used for new technologies, species, or social phenomena.

A state or period of transition from one stage, condition, or era to the next. It implies instability and ongoing change.

The remains of a building, town, etc. from the past, especially one that is important in history or archaeology.

The exchange of goods and services, especially between different groups or countries; trade.

The act of digging something up out of the ground, especially archaeological remains or resources like coal or oil.

The study of human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains.

The study of past events, particularly in human affairs, or the whole series of past events connected with someone or something.