尽管人类发明了合成橡胶，但现在没有能替代天然橡胶的好产品，因为人工合成橡胶弹力和强度还无法和天然橡胶相比。
Despite the invention of synthetic rubbers, there is often no good substitute for the real thing, for nothing artificial yet matches natural rubber's resilience and strength.
结果表明，短尼龙弹力丝更容易在胶料中分散均匀，其与橡胶的复合材料具有优异的物理性能。
The results showed that the elastic nylon short filament dispersed more easily and its rubber composite possessed excellent physical properties.
依靠硅橡胶环的弹力，对硅橡胶环以下的肢体部位达到止血的目的。
Relying on the elasticity of silicone rubber ring, the blood of the body parts below the silicone rubber ring is stopped.
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