high-altitude nuclear test

例句：

1. 1. The high-altitude nuclear test conducted by the USSR in 1954 was a significant milestone in the development ofnuclear technology.
   苏联在1954年进行的高空核试验是核技术发展史上的一个重大里程碑。
2. 2. This high-altitude nuclear test is considered to be one of the most dangerous and challenging experiments ever conducted.
   这项高空核试验被认为是有史以来最危险、最具挑战性的实验之一。
3. 3. The high-altitude nuclear test has raised concerns about the potential risks associated with nuclear weaponstesting.
   高空核试验引发了人们对核武器试验潜在风险的担忧。