Three to five years. According to Netease's query. By September 4, 2023, general projects need 5 experts and youth projects need 3 experts. General projects, also known as general projects, are the main components of the research project series of the National Natural Science Foundation, which supports the scientific and technical personnel engaged in basic research to independently select topics within the scope of the National Natural Science Foundation's funding, carry out innovative scientific research, and promote the balanced, coordinated and sustainable development of various disciplines.