实用寿命

1
[科技] physical life
... physical diagnosis 物理诊断 physical life 实用寿命，物理寿命 physical therapy apparatus 物理治疗仪 ...
2
practical life
... Operating life 使用寿命 Practical life 实用寿命 Predicting bearing life 预期轴承寿命 ...
3
practical lifetime
... practical joke 恶作剧 practical lifetime 实用寿命 practical linguistics 实用语言学应用语言学 ...

短语

1
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.
2
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.
3
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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