The importance of implementing fast aging method for catalytic converter is firstly described in this paper, then the fast aging test equipment and test procedure we adopted are introduced.
本文首先阐述了实施催化转化器快速老化方法的意义和研究概况，然后简要介绍了快速老化试验设备和试验程序。
There's a new blood test that can tell you how fast you're aging. It cost $700. Or you can just look in the mirror. –Jay Leno.
现在有一种新型的血液检测能告诉你衰老速度。费用是700美元。或者你也可以直接照镜子。
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