2) educational naturalism
教育效法自然
3) nature expiration
自然失效
1.
The expiration of large injection mold has three forms of nature expiration,artificial damage and unusual breaks.
大型注塑模具失效有自然失效、人为损坏和异常破坏三种形式。
4) natural ageing
自然时效
1.
It has been found that the damping capability of the alloy has been improved after solution-treatment and natural ageing.
对铸造稀土变质ZA27合金进行固溶处理,并进行长时间自然时效。
2.
To study the variation law of mechanical properties of SWRH 82B wire rod for PC steel wire and strand by natural ageing.
研究ＰＣ钢丝和钢绞线用ＳＷＲＨ８２Ｂ盘条自然时效后力学性能的变化规律，指出ＳＷＲＨ８２Ｂ盘条轧后室温放置一段时间，强度基本保持不变而延伸率和面缩率明显升高的原因是由于钢中的氢从基体中扩散出去。
5) natural aging
自然时效
1.
In order to solve the softening problem of silver during natural aging pure silver (99.
为解决银材自然时效软化的问题,在99。
2.
To introduce natural aging of galvanized low carbon steel wire after softening treatment and effect of the aging on mechanical properties of steel wire.
介绍镀锌低碳钢丝经软化处理后产生的自然时效及其对钢丝力学性能的影响。
3.
Hard anodizing film could be obtained on Al-Cu alloy surface which had been treated with solid solution treatment and natural aging.
经固溶处理和自然时效的铝铜合金可以进行硬质阳极氧化。
6) natural light effect
自然光效
补充资料：效法
学习某人的长处；仿照别人的做法：大家都效法他开展科技攻关，提高劳动生产率｜价廉而工坚，最宜效法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条