The main technological characteristic is to prevent from contacting with air during the process of making powder.
其工艺特征主要是制粉过程与空气避免接触。
From such network embeddedness perspective, we construct the relationship between various network embeddedness characteristic and four main organization modes of technological innovation.
从组织网络嵌入的视角，提出了组织不同的网络嵌入特征与四种主要技术创新组织模式间的内在关系。
This paper introduces video concept, main apply domain, main characteristic, classification and technological difficult point of video watermark at first.
本文首先介绍了视频水印的概念、主要应用领域、主要特征、分类以及视频水印研究的技术难点。
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