内部扩散 meaning in English

internal divergence

Such processes might include materials diffusing into fibers as well as substances exuding out to the surface .
这些过程包括物种扩散进入纤维和以纤维内部扩散到表面。
Here , an enterprise sustainable innovation ( esi ) process is such a process that has continually implemented one or more projects of introducing new products / new process techniques / acquiring new materials sources / realizing new organization / realizing new institution and management / developing new markets / and their inside diffusions at the enterprise for a long period and made a continually significant economic development to the enterprise during the period
这里，企业持续创新是指企业在一个相当长的时期内，持续不断地推出、实施新的创新(含产品、工艺、原料、组织、制度、管理和市场创新及其内部扩散)项目，并不断地实现创新效益的过程。然而，企业创新难在持续。