Giỏ hàng của bạn trống
A Zeppelin is a type of controllable, rigid airship.
Hoạt họa này thể hiện các nhóm hình khối khác nhau qua các ví dụ.
Virus bao gồm protein và DNA hoặc RNA, chúng lập trình lại các tế bào bị nhiễm virus để tạo ra nhiều virus hơn.
A colourful and entertaining animation to practise orientation in space.
Bơm tác động trực tiếp và bơm nạp là các loại bơm nước đơn giản nhất.
The Global Positioning System consists of 24 satellites but only 4 have to be visible for positioning.
A brick castle in South-East Hungary; its oldest parts were probably built in the late 14th century.
The best-known piece of the Hungarian Crown Jewels is the Holy Crown.
Tall buildings are mementoes of human history and technological development.
The Soviet-made satellite was the first spacecraft to be launched into outer space (in October 1957).
Typical flats characterise the culture of the decade.
Chiến tranh thế giới thứ nhất đã mang đến những thay đổi trọng đại trong công nghệ quân sự nhờ sự triển khai của các loại vũ khí mới.
In 1946 a Hungarian scientist was the first person to detect radar echo from the Moon.
A medieval castle in Hungary, built by King Louis I.
The Fighting Falcon is the most successful aircraft in the category of multi-purpose fighters.
The Soviet-made twin-engine interceptor aircraft was first deployed in 1982.
Various forms of earth fortifications were characteristic structures in Europe's early history.
Tanks developed in the mid-1910s quickly became the most important weapons of land-based military operations.
The efficient reconnaissance aircraft has been used by the CIA since the Cold War.
The Széchényi Chain Bridge, named after István Széchenyi, was the first permanent bridge across the Danube between Pest and Buda.
The B-2 Spirit heavy stealth bomber was deployed in the Balkan war, Afghanistan and Iraq.
The screw pump commonly attributed to Archimedes made irrigation much more effective
Small farms usually located near the border of rural towns, inhabited by peasants.