“无变化”造句

超导体表观面貌并无变化.
There is no change in the visual appearance of a superconductor.

基价本月无变化, 但整体交易价格处于下滑态势.
With no change in basis numbers, transaction figures slipped this month.

痰炎症标志或细菌定植均无变化.
No change in FEV 1 , sputum inflammatory markers or bacterial colonization was seen.