n.

the center of an object

"the ball has a titanium core"

a small group of indispensable persons or things

"five periodicals make up the core of their publishing program"

同義詞：nucleuscore group

the central part of the Earth

the choicest or most essential or most vital part of some idea or experience

同義詞：kernelsubstancecenteressencegistheartheart and soulinwardnessmarrowmeatnubpithsumnitty-gritty

a cylindrical sample of soil or rock obtained with a hollow drill

an organization founded by James Leonard Farmer in 1942 to work for racial equality

同義詞：Congress of Racial Equality

the central meaning or theme of a speech or literary work

同義詞：effectessenceburdengist

the chamber of a nuclear reactor containing the fissile material where the reaction takes place

a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil

Cores of convex games
On Massive Neutron Cores
Bandwidth-Constrained Mapping of Cores onto NoC Architectures
Bandwidth-Constrained Mapping of Cores onto NoC Architectures
A simple method for cross-dating increment cores from living trees
Common mode choke cores using the new Fe-based alloys composed of ultrafine grain structure
Comparison of oxygen isotope records from the GISP2 and GRIP Greenlandice cores
A high-resolution millennial record of the south asian monsoon from himalayan ice cores
Density and Linkage Estimators of Home Range: Nearest-Neighbor Clustering Defines Multinuclear Cores
In Vivo Accuracy of Multispectral Magnetic Resonance Imaging for Identifying Lipid-Rich Necrotic Cores and Intraplaque Hemorrhage in...