The material and design of root canal post has already been well investigated.

关于根管桩材料和设计的研究已日益成熟。

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Its technical, material and design of the characteristics of printmaking is pure art in the field of the most open art form.

因其技术性、材料性和设计性的特征，版画是纯艺术领域中最具开放性的艺术形式。

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The calculation results show that the advanced material and design can decrease the vehicle dry mass and its sensitivity to the design margin.

计算结果表明，先进的材料和设计能降低运载器的干质量，并使运载器干质量对设计余量的敏感性降低。

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Lower turbines should, together with clever design and material selection, help reduce the turbines' weight, and thus their need for ballast, which in turn should reduce sub-sea costs.

BBC: Floating challenge for offshore wind turbine

It does not make sense economically as ANY alcohol fuel cost more to produce and supply than the gasoline it is replacing especially if you consider the infrastructure improvements necessary to transport and contain the material and the engineering required to design an engine that can run on it.

FORBES: Breakthrough in Biofuels? Maybe.

The "Cr-48" refers to an isotope of the material chromium, there's no logo and no design frills on the laptop itself, and it only comes in black.

ENGADGET: Google unveils Cr-48, the first Chrome OS laptop