... chromatography 色层（分离）法 chronic pollution慢性污染，长期污染 chronic toxicity test 慢性毒性试验 ...
双语例句
1
If these targets were to be achieved, significant reductions in risks for acute and chronic health effects from air pollution can be expected.
如果能够实现这些目标，可望大量减少空气污染对健康带来的急性和慢性影响。
2
More than 1 million people a year die from chronic obstructive respiratory disease (COPD) that develop due to exposure to such indoor air pollution.
每年有100多万人死于因接触此类室内空气污染而导致的慢性阻塞性肺病(COPD)。
3
External factors: life region climate, dry, cold working environment air is dust, chemical gas pollution, alcohol and tobacco, spicy food stimulation, are easy to long-term chronic pharyngitis.