2) ratio reinforcement schedule
比率强化方式
4) ways of strengthen
强化方式
1.
The developmental process of the ways of strengthen for steel materials was introduced.
介绍了钢铁材料强化方式的发展历程,对超细晶粒钢的制备工艺和冶金机制进行了详细阐述。
6) variation ratio of squared frequency
频率变化平方比
1.
A method for damage positioning is developed on the basis of testing the variation ratio of squared frequency.
介绍了基于频率变化平方比的损伤定位方法。
补充资料：油气田开发方式(见油气田生产方式)
油气田开发方式(见油气田生产方式)
development pattern of oil and gas field:see recovery pattern of oil and gas field
a垃d gas月e卫d) 、‘。尸卫Jlent见油气田小冰、*pa士teroof ojl
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条