他和他的团队，先培育聚苯乙烯球直到它们的直径为200纳米，再用一股强热将其硬化。

He and his team grew tiny polystyrene spheres until they were some 200 nanometres across, before hardening them with a blast of heat.

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针对这一问题，提出了一种基于聚类的特征选择方法，先使用聚类的方法对特征间的冗余性进行裁减，然后使用信息增益的方法选取类别区分能力强的特征。

This paper introduced a new feature selection method, which first used clustering to reduce redundancy among features and then used Information Gain to choose good features.

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其中鹅对玉米豆粕型和玉米豆粕麸皮型饲料的代谢能值随强饲量的增加而增大，而对玉米豆粕苜蓿粉型饲料的代谢能值随强饲量的增加呈先增大后减小的趋势。

With the increasing of feed input, the me values of corn-soybean meal diet and corn-soybean-wheat bran meal diet increased, but that of corn-soybean meal diet increased at first and then decreased.

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公司坚信“只有先做强，才会真正做大；

We firmly believe in the principles of "To Be Stronger before Being Bigger;"

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公司坚信“只有先做强，才会真正做大；

We firmly believe in the principles of "To Be Stronger before Being Bigger;"

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