Marconi was the first to develop a practical method for wireless telegraphy using radio waves.
马可尼是第一个开发出利用无线电波进行无线电报传输的有效方法的人。
Ericsson, a Scandinavian company, was the first to develop this specification.
爱立信,一间斯堪的纳维亚的公司,首次开发了这个产品规格。
But researchers are working to develop the first human vaccine.
VOA: special.2010.07.12
The way we did this was to coax embryonic stem cells first to develop into the surface layer.
我们是这么做的,先诱导胚胎干细胞,发育成外胚层。
you're looking for that first entry-level job that's going to help develop you the best that you can.
寻找的是能够最大程度地帮助自己发展的入门级工作。
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