Current weak EP test comes to 10-13 by the rotating torsion balance and Lunar laser ranging methods.

地面旋转扭秤法和地月测距方法在10 - 13精度内验证弱等效原理依然成立。

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Usually, an EP has around 10-28 minutes of music, a single has up to 10 minutes, and an album generally has 30-80 minutes.

通常来说，一张EP的音乐时长大约是10到28分钟，单曲不超过10分钟，而专辑一般都会容纳30到80分钟的音乐。

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However, in case the content of EP copolymer was controlled at not higher than 10%, then the PP alloy would possess not only the high impact strength but also the flexural module.

若控制合金中乙丙共聚物的含量不超过10%，则可使PP合金材料既具有较高的冲击强度又具有较高的模量。

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