And a new study shows that asteroids weren't just passive couriers of organic material.

并且新的研究显示，小行星并不只是被动地携带着有机物。

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Recycled aggregate of old cement concrete is a new material and it is necessary to study the road performance.

旧水泥混凝土再生骨料是一种新材料，必须对其路用性能进行研究。

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New type of piezoelectric material to the study of linear distortion such as indicators of a great upgrade.

新型的压电材料的研究也使其线性、失真等指标有很大提升。

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Our objective was to strengthen the material already being taught, expand into new areas of study and convey to students the connection between what they were learning and the real world.

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