精随 meaning in Chinese

pith

The digital remastered version of a classical hong kong movie based on the masterpiece of kam yung , one of the greatest writers specializing in martial arts novels
金庸经典巨著笑傲江湖之全新数码修复版,完美再现原著精随
While the expression of his mathematics might be accessible to only a few sharp minds in the science , albert could condense the essence of his thoughts so anyone could understand
爱因斯坦用数学公式表达的思想也许只有少数才思敏捷的科学家才能理解，但他却能简洁地阐明自己思想之精随，使人人都能够理解。
In my opinion , the iron wares excavated during these hundred years are still worth playing . we have to work hard and find out the only han soul passed down
依小女之见，出土铁器百年之内尚可把玩，百年至高古地埋铁器只有型而无精随，对考古研究有用，对各冷兵玩家只能是叹叹叹！还是加倍努力吧，找他一口传世的汉魂！