rate of antibiotic produciton

• 产素率

rate of antibiotic produciton的用法和样例：

例句

1. By reason of fermentation cycle long, production rate low and production costs high, so amelioration production method was imperative under the situation.
   由于其发酵周期长，产素率低，生产成本高，因此改进生产方法势在必行。