... physical diagnosis 物理诊断 physical life 实用寿命，物理寿命 physical therapy apparatus 物理治疗仪 ...
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... Operating life 使用寿命 Practical life 实用寿命 Predicting bearing life 预期轴承寿命 ...
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... practical joke 恶作剧 practical lifetime 实用寿命 practical linguistics 实用语言学 应用语言学 ...
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实际使用寿命 actual service life ; Operation life
所有的天体物理系统都配备了实时诊断，具备独特特性，它使用户在监视他们的机器的时候不影响机器运转的健康，从而大大的提高了其实用寿命。
All XIS Systems are equipped with Real-Time Diagnostics, a unique Astrophysics feature which allows users to monitor their machine health, thus greatly increasing the system lifespan.
玻璃瓶比塑料瓶寿命长，也不容易脏，而且因为是废物利用，所以更经济实用。
They last longer than plastic, they don’t stain, and since you are reusing something you already have, they are practical too.
外观上有可喜的改善，工业设计更为实用，图形显示更加出色，电池寿命也更长。
Welcome improvements to aesthetics, more functional industrial design, better graphics and longer battery life. Sleeker than the original: A third of an inch thick and 10 ounces.
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