Their aircraft were in advance of those used by the US.

【advance】他们的飞机比美国人用的要先进。

The AI research laboratory OpenAI had some outside researchers evaluate how dangerous its model GPT-4 was in advance of releasing it.

人工智能研究实验室 OpenAI 在发布其模型 GPT-4 之前，让一些外部研究人员对其模型进行了评估。