Every scientific invention is the result of a lot of experiments.
每一项科学发明都是大量实验的结果。
The scientific imagination is an enormous drive for promoting scientific invention and technological innovation.
科学想象是推动科学发明与技术创新的巨大力量。
Such as pupil's scientific and technological invention fair.
如小学生科技发明博览会。
Such as pupil's scientific and technological invention fair.
如小学生科技发明博览会。
应用推荐