这十年来，我一直在一个较高水平中踢球，这是我的第一次严重受伤。
I have been playing football at a high level for ten years and this is my first serious injury.
结果显示：我院诊断治疗质量1983 ~ 1986年呈上升趋势，1987 ~ 1990年处于低谷徘徊状态，1991年以后在一个较高水平上波动。
The results showed that the quality during 1983-1986 was up, that during 1987-1990 was down and that after 1991 was waving at a high level.
近年来，随着全球特别是我国聚酯产能的不断增加，加上乙二醇、乙醛的回收已取得的较大进展，未来几年，聚酯废水中有机物的回收将会达到一个较高水平。
With the production capacity of global polyester industry increasing year after year especially in China, and improvements on recycle technology of EG and acetaldehyde, there is a big market margin.
应用推荐