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Toyota has improved emission efficiency and performance at the same time.
丰田公司同时提高了尾气排放效率和性能。
This device must have higher electron emission efficiency for practical application.
这种器件要实用化,急需提高阴极的电子发射率。
The car's chief engineer says Toyota has improved emission efficiency and performance at the same time.
该车首席工程师说,丰田公司同时提高了尾气排放效率和性能。
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