Polytechnical Dictionary

• Contains 80,000 terms and 4,000 acronyms on major areas of science and technology:
• - electronics,
• - power engineering,
• - automation,
• - metallurgy,
• - construction,
• - transportation,
• - physics,
• - chemistry,
• - computing systems and information technologies,
• - computer networks,
• - telecommunications,
• - television, and video equipment.

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сущность, объект