Now is adopted for the seal to extend the use fixed number of year.

目前是以封存的方式，延长使用年限。

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Durability: general insulation layer and the building should be with life, use fixed number of year will in a few years.

耐久性：一般外保温层和建筑物应同寿命，使用年限也要在几十年以上。

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The higher culture and the longer fixed number of year can increase the understanding rate of healthy knowledge(P<0.01).

食品从业人员卫生知识知晓率随着文化程度的增高和岗位年限的增加而增高（P<0 .0 1） ；

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Each year a fixed number of green cards or visas would be auctioned off to the highest bidder.

FORBES: Low-Skilled Immigration Opponents Should Favor Market Based Immigration

In 2007 we published the proposed rates and there were a number of services who objected and so it went to the tribunal, who fixed the rates for a two year period.

BBC: New rate for music digital stream