For example, some parts they first wanted to use, made by a certain Japanese firm, didn't meet their needs, so they had to change suppliers. But this meant they were compelled to adjust many specifications, which cost them a lot of time.
像是原先打算採用的映像管性能無法符合要求，後來換了另一個牌子，但很多規格都要再調整，因此延誤了許多時間。