For example , the double-helical structure of DNA was deduced from an X-ray diffraction pattern that had been generated by a fibrous sample -RRB- .
For example , the double-helical structure of DNA was deduced from an X-ray diffraction pattern that had been got from a fibrous sample .
For example , the double-helical structure of DNA was deduced from an X-ray diffraction pattern that had been got from a fibrous sample .
اجعل الجملة أبسط: For example , the double-helical structure of DNA was deduced from an X-ray diffraction pattern that had been generated by a fibrous sample -RRB- . خرج: