ternate造句怎么写

Objective: To determine the alkaloids content of Pinellia ternate in different growing time for finding out the best harvest time.

Objective: To provide the reference for standard of harvesting and processing of pinellia ternate.

Leaves1-2- ternate or pinnate, ovate-triangular or triangular-ovate,6-10 cm long,2.5-4 cm wide, margin irregular coarsely toothed; petioles c.10 cm long, sheathed.