Various CVD technologies for preparing low dielectric constant materials in ULSI circuits are summarized.

综述了制备uls I低介电常数材料的各种CVD技术。

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In this paper, we introduced the technologies used in preparation and test of low-dielectric-constant materials.

本文介绍了有关低介电常数材料薄膜的制备方法和基本特性的检测技术。

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We must imagine the early Earth as a mixture of rocky materials, metals, and trapped gases, subject to constant bombardment by smaller planetesimals and without much of an atmosphere.

我们必须想象早期的地球是岩石材料、金属和封闭气的混合物，受到较小的星子的持续轰击，没有多少大气。

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Italian dominance in such rides depends on a constant stream of innovations in electronics and materials.

ECONOMIST: Fairground rides: Ups and downs | The

Koch tends to invest in industries that convert raw materials into higher-value products, with complicated operations that require a lot of engineering talent and constant innovation in production methods.

FORBES: Koch On Rumors He'll Buy The L.A. Times