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词汇 Radar range
分类 英语词汇 英语翻译词典
释义

Radar range

英语百科

Microwave oven

A modern microwave oven
Microwave ovens, several from the 1980s
The cavity magnetron developed by John Randall and Harry Boot in 1940 at the University of Birmingham.
Raytheon RadaRange aboard the NS Savannah nuclear-powered cargo ship, installed circa 1961

A microwave oven, commonly referred to as a microwave, is a kitchen appliance that heats and cooks food by exposing it to microwave radiation in the electromagnetic spectrum. This induces polar molecules in the food to rotate and produce thermal energy in a process known as dielectric heating. Microwave ovens heat foods quickly and efficiently because excitation is fairly uniform in the outer 25–38 mm (1–1.5 inches) of a homogenous (high water content) food item; food is more evenly heated throughout (except in heterogeneous, dense objects) than generally occurs in other cooking techniques.

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