Materials and Methods: 100 cases with constipation were studied with colonic transit test and defecography.

材料与方法：对100例便秘患者作结肠运输试验及排粪造影。

youdao

This specification specifies requirements, test methods, inspection rules, packaging, marking, transportation and storage of "conductive carbon black" materials.

本规范规定了采购“导电炭黑”材料的要求、试验方法、检验规则、包装、标志、运输及贮存。

youdao

Materials and articles in contact with foodstuffs. plastics. test methods for overall migration into olive oil by cell.

与食品接触的材料和物品。塑料。用细胞法对整体移动到橄榄油的试验方法。

youdao

Engineers,inventors, students and others come together to design and test different methods and materials for improving stoves.

VOA: special.2010.02.01