1) step convergence
台阶下沉
1.
Using the initial post-buckling theory and the cusp catastrophic model,the bifurcation buckling mechanism and unstability of roof strata were studied to derive the formulae of the main roof breaking convergence during the first weighting,to build the criterion of step convergence after the main roof breaking and to determine the final step convergence value.
应用初始后屈曲理论和尖点突变模型探讨了顶板岩层分岔失稳的机理及其屈曲后的不稳定性,得出了采场老顶初次来压时断裂下沉的计算公式,建立了顶板破断后台阶下沉的判据,给出了台阶下沉量。
2) roof step
顶板台阶下沉
1.
This paper introduces the successful experience of over roadway extraction in complex geology that has roof step,face roof collapse with cavity,passing through fault etc.
介绍了135采煤队在顶板台阶下沉、漏顶、压力大、过断层等复杂地质因素影响下,跨巷道高档普采成功回采的经验。
3) ascending and descending the stairs
上下台阶
1.
Energy consumption in different patterns of ascending and descending the stairs;
不同上下台阶方式的能量消耗分析
5) step model heat sinks
台阶式热沉
6) Footwall bonchless
下盘无台阶
补充资料：β氧化铝单晶生长台阶
β氧化铝单晶生长台阶
蘸义簇袋鬓戮雄髯绪价韧 日氧化铝单晶生长台阶〔背散射电 子象)
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