substrate holder

例句：

1. 1. The new drug is designed toimprove the efficacy of the substrateholder.
   这款新药旨在提高基质支架的疗效。
2. 2. The researcher used a novelsubstrate holder to study the effectsof different materials on cell growth.
   研究员使用了一种新颖的基质支架来研究不同材料对细胞生长的影响。
3. 3. Thedevelopment of this technology hasgreatly improved the efficiency of thesubstrate holder in tissue engineering.
   这项技术的发展大大提高了组织工程中基质支架的效率。