experimentorn.实验者experimentn.试验；实验；尝试vi.尝试；做实验experiments teaching实验教学experiments research试验研究experiment on-line在线实验experiments in vitro体外实验experiment precision试验精确度experimentation cost试验费用experiment and prove实验和证明experiment principle实验原理experiment Generator实验生成系统Experiment Technique试验技术