Nerva ruled the Roman Empire from 96 to 98 AD.

尼尔瓦在公元96年至98年间统治罗马帝国。

Nerva was known for his moderate and just policies.

尼尔瓦以其温和和公正的政策而闻名。

After the death of Domitian, Nerva was chosen as emperor.

多米提安死后，尼尔瓦被选为皇帝。

Nerva was the first of the Five Good Emperors of Rome.

尼尔瓦是罗马五贤帝中的第一位。

The reign of Nerva marked the beginning of a period of stability in Rome.

尼尔瓦的统治标志着罗马稳定时期的开始。

Further reactor and nuclear rocket development occurred under NERVA.

其后，更多的核反应堆和核能火箭发展都在“核能火箭发动机应用”项目中进行。

Instead Nerva, Trajan, Hagran and Antonius Pius selected a promising young man from the roman upper classes, adopted this man into their family, and groomed him as the future princeps.

涅尔瓦 图拉真 哈德良和安托尼乌斯·披乌斯都从罗马上层阶级中选择了一位前途无量的年轻人，收为养子，立为储君。