http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mạch dao động hình sin sử dụng thạch anh, hiệu thế ra 2 volt, tần số 4,5MC
Viện Đại Học Cần Thơ - Đại Học Khoa Học - Ban Khoa Học ứng Dụng
Quách Thị Hớn, Nguyễn Thị Minh Phượng
electric circuits,electronics,semiconductors,transistor