experiment invt.实验experimentn.试验；实验；尝试vi.尝试；做实验experiment in cultivation栽培试验experiment optimum design试验优化设计experiment of mathematics数学实验Experiment coupe teaching实验课程教学experiment characteristic实验特性experiment error analysis试验误差分析experiments and practices实验实训experiment of preparation制备实验Experiments in Antibiotic抗生素实验experiment of open window开窗实验