early age behavior of concrete 混凝土早期性能
early-age cracking behavior 早期开裂性能
early-age hydration behavior 早期水化性能
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Ethical behavior is something one learns from an early age by observation and from absorbing the values of his or her home, school and society.
道德行为的养成是一个人早年通过对周围的观察，从家庭，学校和社会价值中获取的。
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