ageing step信息详情
老化步骤
step step───步进
step───vt.走，迈步；竖立（桅杆）于桅座上；n.步，脚步；步骤；步伐；梯级；vi.踏，踩；走
ageing process───老化过程；老化法；时效处理；时效过程
ageing skin───老化皮肤
ageing population───老龄化人口；[经] 人口老化
step by step───adv.逐步地；一步步地，逐步地，逐渐地; 缓缓; 浸
step by step drawing───逐步绘制
craniotomy step by step───分步开颅术
step dad───继父
Free radicals are believed to be a first important step in heart disease, cancer and the ageing process.───自由基被认为是心脏病，癌症和老化过程中重要的第一步。
Prevent electric equipment ageing to cause the step with the most significant fire, it is seasonable examination and accurate decide ageing degree tries to update.───防止电气设备老化引起火灾最有效的措施，就是及时检查与正确判定老化程度并加以更新。
controlling step of the ageing reaction for the directing agent of zeolite L is directional polymerization between aluminosilicate oligomers or between aluminosilicate and silicate oligomers.───沸石导向剂陈化反应的控制步骤是低聚态硅铝酸根离子之间或低聚态硅铝酸根离子与低聚态硅酸根离子之间的定向聚合反应。