Official PPI data based on the current reference base are not available on previous index reference base periods.

基于当前参考基准的官方生产者物价指数数据在以前的指数参考基准期是不可用的。

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In addition, the new reference classes all represent a "weaker" form of a reference than the typical strong reference.

此外，这几个新的引用类都表现出比典型的强引用“更弱”的引用形式。

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A circular reference is formed when two objects reference each other, giving each object a reference count of 1.

当两个对象互相引用时，就构成了循环引用，其中每个对象的引用计数值都被赋1。

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Its early projects included creating reports on movie technologies, training programs and a movie reference library.

VOA: special.2009.02.20

The problems that Frost's poetry poses for us as readers are not problems of reference. They can't be solved by footnotes.

他的诗歌给我们的困难,不是参考的问题，它们不能就用脚注解决。

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How to go from one reference point to the other with this property. This property, f which we're going to call f.

这两个参考点插值,得到不同温度时工作物质的特性，我们把这一特性记做。

麻省理工公开课 - 热力学与动力学课程节选

They will give you advice, write a reference letter, or be a reference on the phone.

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And even with a functioning GPS, its satellites rely on celestial reference points as a final fundamental reference.

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Travelers can reference CDC reports by visiting the CDC website, and we also have a quick reference guide on Cruise Critic.

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