名词 bedrock:

1. solid unweathered rock lying beneath surface deposits of soil

2. principles from which other truths can be derived

bedrockn.岩床；根底；基础；基本原则bedrock reservoir基岩储集层bedrock bench mark基岩标bedrock fault crack基岩断层裂缝bedrock deformation基岩变形bedrock fissure water基岩裂隙水bedrock surface depth基岩面深度bedrock reconnaissance基岩勘察Bedrock Peak Acceleration基岩峰值加速度bedrock surface of BCC dam碾压混凝土大坝建基面bedrock-cover discontinuity基覆界面