One of the most exciting developments in the fight against Ebola has been the rVSV-ZEBOV vaccine which is still in the experimental phase and has not been fully approved.

抗击埃博拉病毒最令人兴奋的进展之一就是 rVSV-ZEBOV 疫苗，该疫苗仍处于实验阶段，尚未得到完全批准。

AI forecasting models are still in an experimental phase, but the European Centre for Medium-Range Weather Forecasts has started publishing AI forecast alongside their traditional ones for the public to compare.

人工智能预测模型仍处于实验阶段，但欧洲中期天气预报中心已开始发布人工智能预测与传统预测， 供公众比较。

And it was a few months ago that he told us about this effort to get disabled people into space that was just in its kind of early experimental phase.

几个月前，他告诉我们这项让残疾人进入太空的努力正处于早期实验阶段。