When Cal Tech researchers added silver to the microalloy mix, they were able to expand the thickness of the glass rods to six millimeters.
当加州理工学院的研究人员把银加入微量合金混合物中后,它们就能够将玻璃棒的厚度提升到六厘米了。
Here's a decent rule of thumb: High-tech products like electronics usually aren't so bad, while products like leather and glass tend to be associated with a lot more pollution.
在此提供一个不错的经验之谈:高科技产品诸如电子之类的都还不错,而皮革和玻璃制品则会制造大量的污染。
Glass represents how an even more potent challenge has arrived: sophisticated, capital-intensive businesses that boast high-tech expertise.
玻璃代表着一次更强有力的挑战到来:这桩复杂又耗钱的生意可是宣称具有高科技含量的。
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