all-metal

Though the plastic phone lacks the stylishness and luxury feel of the new all-metal HTC One ( M8), the back of the phone now features a dotted Band-Aid-like texture, which helps with grip.

虽然这款塑料外壳手机缺少宏达国际电子股份有限公司（HTC Co.，2498.TW，简称：宏达国际）全金属外壳手机One（M8）时髦和奢华的感觉，不过Galaxy S5背面使用了点状纹理材质，易于手握。

Prices surged more than sevenfold since 2001 to an all-time high of$ 1,920 a troy ounce in 2011, as investors turned to the metal as a haven from turmoil in the rest of the financial world.

自2001年以来，金价猛涨7倍以上，2011年冲高至每盎司1920美元的最高纪录，因为在金融业其他领域动荡不定之际，投资者大举吃进黄金，把它作为一种安全资产。

Till now there have been about 10 type structures for wave-guide CO_2 lasers, and many kinds of wave-guide material including ceramic material, ceramic metal, all-metal and hard glass, and so on.

目前，波导CO2激光器的结构形式近十种，而波导材料也有陶瓷、陶瓷-金属、全金属及硬质玻璃等。