shutter efficiency是什么意思

用法例句

<Abstrcat> The tissue culture of Chinese toona can extensively adapt itself to different culture mediums, different hormones, and different concentration levels, but the micropropagation efficiency may vary according to different culture mediums and culture conditions.

　香椿组织培养对基本培养基、激素种类以及浓度有较广泛的适应性,但不同的培养基及培养条件下,其快繁效率不同。