After World War II, the dread of another Great Depression gave way to an economic boom.
2
西冈先生的提议（作为参议院议长，他表明自己是无党派的）是在九大选区用比例代表制取代府县制。
Mr Nishioka’s proposal (as leader of the house, he says he is non-partisan) is to scrap the prefectural system, and replace it with proportional representation in nine supersized voting areas.
3
还有化学退火的方法，即用尺寸大30%的钾离子取代表面的钠离子。
In chemical tempering, sodium ions in the surface are replaced with potassium ions, which are about 30 percent larger.
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