2010年，苹果最终在很多国家同步发布了第一款真正的平板电脑————iPad，这已经是在苹果开始研发第一款图形界面平板电脑的30年之后了。
In 2010, Apple finally rolled out its first real tablet computer - the iPad - across several countries. That's over 30 years after the first Apple Graphics tablet was launched.
汽车制造商和科技公司们在努力地研发推出第一辆真正的自动驾驶汽车。
Automakers and tech companies are working hard to offer the first true self-driving car.
1973年，他终于研发出了第一株杂交水稻。
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