an ageing population.
老
人口。
；老龄的
医学的;老的;
中的;,变坏;轻的;脓;
性能；时效阻力过程；老法；时效处理
；人工老稳定性；经时稳定性an ageing population.
老人口。
the ageing process.
老过程。
the world's ageing fleet of oil tankers.
世界
到
使用寿命的运油船队。
An ageing nuclear reactor is an accident waiting to happen.
老的核反应堆早晚会出事故。
looking after ageing relatives.
照顾纪的亲戚。
the ageing right-wing old guard.
那些日益老的右翼元老。
another ageing rocker with literary pretensions.
又一个有文学野心的过气摇滚歌手。
an ageing academic who is a product of the 1960s.
作为20世纪60代产儿的事渐高的学者。
an ageing but still serviceable water supply system.
一个老的却仍然可用的供水系统。
It was felt that the ageing of society was socially and economically undesirable.
老龄对于社会和经济的不良影响呈现出来。
he even tried ageing the painting with a spoonful of coffee.
他甚至着用一勺咖啡来让画看起来古旧。
Unplasticized PVC ringed pipes.Natural ageing test.
标准/规范英文名： Agricultural drainage.
The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.
运用聚合物的溶胀理论和学反应动力学，研究硝酸酯基聚醚聚氨酯的老降解过程。
The said raw lacquer possesses good antiweatherability, ageing resistance, resistance to ultraviolet radiation, abrasive resistance and adhesive force.
本发明制备所得的生漆具有良好的耐候性能，在抗老，尤其在抗紫外线引起的光老方面效果显著；
The product is brillant in color, fastness,lightweight ageing resistance,airing,waterfast etc.
具有色彩鲜艳、不褪色、重量轻、抗老、强度高、回弹快、透气、耐水、耐油等优点。
Cold maceration before fermentation; alcoholic fermentation with endogen yeasts; 27-days vatting with micro-oxygenization; Malo-lactic fermentation in vats; 12-months ageing in French oak barrels.
酿造过程:低温浸泡技术，用茎类酵母进行酒精发酵，在桶中放置27天进行微观氧和宏观的乳汁蒸馏和发酵。在法国橡木桶中陈酿12个月。
The distensibility of BOF slag was measured by steam test method and the effect of size and ageing time on the distensibility was investigated.These gives evidence for application of BOF slag.
实采用压蒸法测定转炉渣的膨胀性，分析粒度和陈时间对转炉渣膨胀性的影响，为转炉渣的应用提供依据。
The PP armchair produced by this special compound has a good impact resistance, high strength, good ageing resistance, good corrosion resistance and dimensional stability and good lighteness.
用该专用料生产的方椅具有强度高、韧性好、耐老、耐腐蚀、尺寸稳定、表面光亮等优点,现已批量生产。
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