请输入您要查询的字词:
单词
geological core drilling
释义
geological core drilling
Encyclopedia
理学
钻探工程
释
geological core drilling
地质岩心钻探
使用专用钻探机械,利用圆筒状钻头、岩心管和钻杆等组合成钻具,在岩石中环状破碎岩石,在孔底中心部分保留一个柱状的岩心,再从孔内取出岩心用以研究地质和矿产情况的钻探。简称地质钻探。是钻探工程学科下最重要的分支学科,是固体矿产地质勘探中采用的主要技术方法。
随便看
partially balanced incomplete block design (PBIBD)
partially centralized management model
partially coherent light
partially complemented lattice
partially computable function
partially confounded
partially conserved axial current
partially conserved axial current, PCAC
partially contained curve
partially crystalline fiber-forming polymer
partially defined function
partially differentiable function
partially eclipsing binary
partially filled aperture
partially funded system
partially hypoelliptic
partially invasive brain computer interface
partially ionization
partially ionized plasma
partially isolated SOI MOSFET
partially isometric operator
partially linear regression model
partially linear varying-coefficient model
partially negative matrix
partially observable markov decision process
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/3/19 15:40:54