Why power stripes routed in the top metal layers?

为什么电源走线选用最上面的金属层？

youdao

Canada has always been one of the top metal producers, and it's coming back to life.

加拿大一直是世界最繁忙的金属生产商，它的回生命。

youdao

The top metal test pad, special test mode and BIST are adopted in the IC circuits to solve the IC test problem about the chip function test and electric character test.

通过添加测试引脚、设计专用测试模式，内建自测试等方法有效的解决了该芯片电路的功能测试和电气性能测试。

youdao

As gold prices top $1,000 an ounce the highest price for the metal in the last 18 months traders say they expect demand to dip drastically this festival and wedding season.

VOA: standard.2009.09.19

All of this is punctuated by a metal top with large metallic knobs, and inside you'll find an APS-C 24.3 megapixel sensor.

ENGADGET: Hasselblad Lunar mirrorless camera hands-on Hands-on

Other spots in the top ten earned metal here and there.

FORBES: Do Super Bowl Ads Win Advertising Awards?

Mr. Press is also a fan of the trendy "Clubmaster" look, a type named after a vintage Ray-Ban model with a thick bold top and a metal bridge.

WSJ: Eyewear Designer Jeff Press on Choosing the Best Sunglasses for Men