He introduced the concept of electronegativity which was a measure, therefore, it is quantitative, of the atom's ability to attract electrons within a covalent bond and developed a scale of electronegativity.
他引入了电负性这一概念,一个反映着原子在成共价键时吸引电子的能力的数据标度,因此这是数量上的,在共价电子中,电子原子能吸引电子,并发展为一定规模的电负性。
Well the idea of a hash, in fact, what's called a hash function is to have some way of mapping any kind of data into integers.
我要怎么做?实际上想法还是哈希,通过一个哈希函数,把任何种类的数据都映射成整数。
If you look up in the corner of your Periodic Table on one of the sides, they have actually tabulated this for you.
你认真看一下角落上,在一个角落,应该已经为你们把数据列成表了。
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