出版时间:2006-12 出版社:Parragon 作者:Spilsbury, Louise 页数:224
内容概要
You'll find the answers to hundreds of fascinating questionsdbout inventions inside this new children’S encyclopedia. ·Over 3 40 fascinating questions and answers ·Dates for keg inventions at a glance ·Index of famous inventors ·Over 2 00 photographs ·More thQn 2 5 0 illustrationsJ cutawag diagrams an d cartoons
书籍目录
INVENTloNS What iS an lnvention? The Futu re of l nventionsFARMING Plows Tractors Dai rv Machines Crop Watering Fa rm LI"1emICaISGM Foods Preservincj Food BUlLDING Building Materials Building Machines Skyscrapers Roads Bridges CanaIsENERGY Wind and Water Power Fossil Fuels Steam Power。 Electricity NUCIea r Power Sola r Power Natu ral Energy Sou rcesMANUFACTURlNG Spinning and Weaving Factory Products Mass ProductionTRANSPOR IAI IUN Buses and Trucks Bikes Ca rs Trains Boats Ships Balloons and Ai rships Helicopters Ai rplanesNAVIGATloN NaviqationaI Aids Rada r Sona r SatelIite NaviqationSPACE Telescopes ……WEAPONSMEDICINETIMEDAILY LIFE
图书封面
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