Quarks, which we also cannot see, are a model to explain the properties of the protons and neutrons in the nucleus of an atom.
夸克同样看不到，但它却是解释原子核中质子、中子性质的理论模型。
A method calculating one body density matrix of nucleus in the mean field shell model is proposed.
提出平均场壳模型下原子核单体密度矩阵的一种计算方法，验证该方法的可靠性。
The "Meaning Text" Model is the nucleus of the Moscow semantic school. It is a tool of encoding and decoding language.
《意思文本》模式是莫斯科语义学派的核心理论，是一种对语言的编码和解码的工具。
By observing the production of cavities and measuring the growth of cavities, a model explaining the formation of cavity nucleus in superplastic material was given out.
通过观察空洞的产生和测定空洞的长大，提出了一种超塑材料空洞的形核模型。
The overlapping cylinder model(OCM) is used in this letter to describe the rapidity (or pseudorapidity) distributions of charged particles produced in nucleus-nucleus collisions at high energies.
应用重叠柱模型描述了高能核-核碰撞中带电粒子的快度（或赝快度）分布。
Animal model creation adoption is from the artery blood infuse into white rat's caudal nucleus, and result in the apoplexy the inside of animal model, 0.
动物模型制作采用自体动脉血注入大白鼠尾状核，造成脑出血卒中动物模型。
The pseudorapidity distributions of charged particles produced in high-energy nucleus-nucleus collisions are studied using Liu's cylinder model.
用柱模型研究了高能核-核碰撞中产生的带电粒子的赝快度分布。
The pseudorapidity distributions of charged particles produced in high-energy nucleus-nucleus collisions are studied using Liu's cylinder model.
用柱模型研究了高能核-核碰撞中产生的带电粒子的赝快度分布。
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