是 + 大型
大型 (dàxíng) can function as a standalone noun meaning "large scale" or "large type." In this usage, it refers to the concept of being large-scale itself, rather than modifying another noun.
这个项目属于大型,需要更多资金支持。
Zhège xiàngmù shǔyú dàxíng, xūyào gèng duō zījīn zhīchí.
This project is large-scale and requires more financial support.
活动的规模从小型升级到了大型。
Huódòng de guīmó cóng xiǎoxíng shēngjí dào le dàxíng.
The scale of the event was upgraded from small to large.
这次展览是大型的,预计会持续一个月。
Zhè cì zhǎnlǎn shì dàxíng de, yùjì huì chíxù yī gè yuè.
This exhibition is large-scale and is expected to last one month.