According to the characteristics of materials trade enterprises, the paper brings forward B2B E-business based on value-chain.

根据物资流通企业特点，提出基于价值链的B2B电子商务模式。

youdao

It is discussed that how the low temperature plasma change the surface characteristics of materials and the application is briefed.

讨论了低温等离子体改善材料表面性能的机理。并简述其应用。

youdao

The loci and the effective curves of the criterion are of nonlinear types that could give a better description to the yield characteristics of materials.

但与双剪统一屈服准则不同，新屈服准则的极限线和中间主应力效应曲线是非线性的，能够描述材料的非线性屈服特性。

youdao

The trick is to use metamaterials: materials that owe their characteristics to features of their structure that are smaller than the wavelength of the electromagnetic radiation.

ECONOMIST: Optical materials: Cast no shadows | The

They also include contact and account attributes (title, department, industry, annual revenue) and key behavior characteristics (online and live event attendance, downloads of marketing materials, etc.).

FORBES: B2B Marketing is More Than Leads