求翻译：自田径赛场采用了聚氨酯(PU)、三元乙丙橡胶(EPDM)等塑胶跑道以来，比赛成绩不断提高，lOOm‘短跑在聚氨酯等塑胶跑道上要比在煤渣跑道上快0．2～103s，跳远成绩可提高20～30em。是什么意思？

Polyurethane (pu), ethylene propylene diene monomer (epdm) since the plastic track, from track and field competition results continuously improve the loom 'sprint faster than on a cinder track in polyurethane and other plastic track 0.2 ~ 103s Long Jump 20 ~ 30em.

Since athletics farm in a polyurethane (PU), $3 (b) (c) such as rubber, plastic runway EPDM ) game since lOOm has continued to improve, and the Sprinter in a polyurethane plastic on the runway, you want to more than a cinder track in 0.2 to 103 s, 20 long jump can be increased to 30EM.

Has used polyurethane (PU), since the track and field athletic field plastic tracks and so on three Yuan second grade third rubber (EPDM), the competition result enhances unceasingly, lOOm the `dash on plastic tracks and so on the polyurethane must compared to on the cinder track quick 0.2~103s, the

Since the track uses a polyurethane (PU), EPDM rubber (EPDM), since the plastic track, performance continues to improve, lOOm ' in polyurethane plastic runway to Sprint faster than on the cinder track 0. 2~103s, long jump performance can improve 20~30em.

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