The quantitative scale of the hardness-softness of acids and bases is an important problem yet to be solved in the study of the principles of hard and soft acids and bases.

酸碱软硬度的定量标度是软硬酸碱原则研究中有待解决的重要课题。

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Almost none of these efforts have involved large-scale, detailed quantitative research.

这些活动几乎都没有涉及大规模的、详尽的定量调研。

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This is "quantitative easing": doling out Bank of England cash in vast quantities at negligible interest rates to boost lending and spending on an epic scale.

这是“量化宽松”：以极低的利率发放贷款，来促进贷款和支出的大规模增加。

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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。

麻省理工公开课 - 固态化学导论课程节选

Now that the U.S., Europe and Japan have embarked on large scale quantitative easing, emerging market currencies are bound to appreciate.

FORBES: El Ben Bernanke And The Mexican Peso

Smith also pointed to ongoing worries that the Federal Reserve will be looking to scale back its quantitative-easing efforts in the months ahead.

FORBES: FOCUS: Gold's Tumble Continues; Bargain Hunting Seen Once Prices Stabilize