scratch line造句

It is important for us to research the open cnc system . which make us in the same scratch line with the developed country
数控技术走开放式道路，将我国同世界上发达国家的数控研究摆在了同一起跑线上。
But the study of virtual scenes generation is on the scratch line only , so there still has many problems need to resolve such as how to design terrain realistic image and how to simulate natural phenomena
但是，虚拟视景的生成研究并未停止，如何设计真实感地形、如何模拟自然现象等一系列问题都亟待解决。
It's difficult to find scratch line in a sentence. 用scratch line造句挺难的