测量估计是算术估计的一种常见形式，被看作个体数量能力早期获得的重要渠道，也可为物理测量教学提供一条有效途径。

As a regular type of arithmetic estimation, measurement estimation is an important channel for early numeracy acquisition and a convenient route for teaching physical measurement.

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结果表明：增大环梁截面、提高环梁的配筋率和增加抗剪环数量能不同程度的提高环梁节点承载能力。

We have designed four joint, JD-1 is designed for the comparison, and the others consider the cross-section size, reinforcement and the shear ring number.

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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