zhè / kuǎn / kē / yán / yàng / jī / de / xìng / néng / hái / xū / yào / jīng / guò / gèng / duō / shí / yàn / yàn / zhèng

这款科研样机的性能还需要经过更多实验验证。

The performance of this research prototype still needs to be verified through more experiments.