Whistle valves are made of a copper-silicon alloy.

雾笛阀门由铜硅合金制成。

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Photovoltaic cells rely on amorphous or crystalline silicon, cadmium telluride, or copper indium selenide and sulfide.

光伏电池依赖于非晶态或晶态的硅，碲化镉或者硒化、硫化铜铟。

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Alloy steel owe their properties to the presence of one or more elements other than carbon, namely nickel, chromium, manganese, molybdenum, tungsten, silicon, vanadium, and copper.

合金钢的性质取决于其所含有的除碳以外的一种或多种元素，如镍、铬、锰、钼、钨、硅、钒和铜。

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By contrast, check out today's announcement from Big Blue: Its new flagship eServer zSeries 990 runs up to 9 billion instructions per second on 32 processors--three times the system capacity of its predecessor z900--thanks in part to a palm-sized package of copper and silicon-on-insulator semiconductors with over 3.2 billion transistors and 500 meters of ultra-thin wire.

FORBES: IBM Does The On-Demand Dance

The three main types of thin film technologies use cadmium-telluride, copper-indium-gallium-selenide and amorphous-silicon to convert sunlight into electricity.

FORBES: First Solar Struggles Amid Decline Of Thin-Film Solar Market

G6 mainframe computer depends on the use of silicon chips with copper connections that draw on solid-state physics research done in the firm's laboratory in the 1980s.

ECONOMIST: Philips