rock core sample

基本解釋

It is difficult to bore and sample the core of rock in soft medium, and it will influence the results of test due to the disturbing of soil and concrete sampling.
在介質(zhì)軟弱的情況下，鉆孔取芯、取樣很難實現(xiàn)；由于對混凝土芯樣、土樣產(chǎn)生擾動從而對檢測結(jié)果產(chǎn)生影響。
Lab research of NMR rock sample analysis technique applied in core and cuttings measurement show that all measurement parameters obtained from NMR have high accuracy in measurement.
利用核磁共振巖樣分析技術(shù)對巖心、巖屑測量進(jìn)行的實驗研究結(jié)果表明，核磁測量得到的各項測量參數(shù)均具有較高的測量精度；

We looked at a core-sample section—a moist log of dirt and rock.
NEWYORKER: The Miner’s Daughter