The product is manufactured by using dead-burnt magnesia . other basic materials and binder through good grain size selection.

选用优质重烧镁砂及其它碱性复合材料，经合理的粒度级配与结合剂、添加剂混合而成。

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Selection for a trait, be it beak size or something else, depends on passing down the genes for that trait to offspring.

某个性状的选择，比如说喙的大小或者其他别的，取决于控制该性状基因的代代传承。

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Scope and size are related, but they affect the process selection in different ways.

范围与规模是相互联系的，但是他们在不同的方面影响了过程的选择。

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That meant notes about font selection, font size, leading, tracking, kerning and other such arcana.

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Because of the size of the class, jury selection is already proving difficult.

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Assembling such a finely-matched selection of natural pearls of this size and quality is rare and likely took decades, the auction house said.

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