The grain size grade is about 4-5 class, and that during the thickness the central is less half a class than the lateral.

薄板坯的晶粒度的大致范围在4～5级，其中在厚度方向上薄板坯中心部位晶粒度比侧部小半个等级。

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Sims says measurements of the grade, mineral matrix, and size of the ore deposit appear favorable to commercial extraction.

希姆斯说对矿品位、矿母及矿床大小的测量对商业提取显得十分有益。

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You would need a jeweller's loupe the size of the Sun to grade this diamond.

要评价这颗钻石的等级，需要使用像太阳那么大的珠宝商专用放大镜。

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The treatment for breast cancer depends on many factors including the type, grade and size of the cancer.

BBC: Q&A: Breast screening

His model is based on factors such as changes in bank lending, the economic growth rate and the size of the speculative-grade market (a glut of issuance tends to be an indicator of loose lending practices).

ECONOMIST: Buttonwood

What once had been a sophisticated looking office the size of his sister's grade school had been reduced to a blackened pile of rubble.

NPR: 'Arson' by Nick Lysohir