الفترة:
الموضوعات: التبريد؛ النظام الشمسي
Subjects: Mice
Subjects: Inorganic acids; Cleaning
Subjects: Computer software
Subjects: Electric power generation; Electrical equipment; Electrical generators
Subjects: Data processing; Telecommunications; Computer networks; Encryption; Mathematics
Subjects: Aerodynamics; Supersonic aerodynamics; Measurement
Subjects: Cadmium; Optical properties
Subjects: Air; Buildings; Ventilation; Air conditioning; Environmental engineering
Subjects: Neural networks (Computer science)
Subjects: Physical properties
Subjects: Sanitation; Waste water
Subjects: Aerodynamics; Supersonic aerodynamics