1) deposition origin attenuation
沉积成因减薄
2) sedimentary origin
沉积成因
1.
In the paper the abnormal formation and thickness of coal bed of sedimentary origin were sorted according to some kinds of criteria ,11 abnormal types were defined, also their origins were discussed.
依据一定的划分标准对沉积成因的煤层形态与厚度异常进行了类型划分,定义了11种异常类型,讨论了它们的成因问题,结合大同矿务局四台和云岗矿实际揭露资料,对其中的某些异常类型给予了实例说明。
3) deposition-fault attenuation
沉积-断层减薄
5) genesis of sediment
沉积岩成因
补充资料：减薄
1.亦作"减薄"。 2.降低;减弱。
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