Initial trains were imported or built under technology transfer agreements with foreign train-makers, but since then, Chinese engineers have become leaders in the field.

最初的列车是通过与外国列车制造商签订的技术转让协议进口或制造的，但从那以后，中国工程师成为该领域的领军者。

The Indian government wants American companies to produce more weapons at home under what are known as technology transfer agreements. But that would not be easy.

印度政府希望美国公司根据技术转让协议在印度生产更多的武器。但是这并不容易。