Chinese auto industry 's main problems are small scale, low industry concentration, backward produce technique and lack the ability to develop independently.
中国汽车工业面临的主要问题是企业规模小、产业集中度低、生产技术落后和缺乏自主开发能力。
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。
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