Titlebook: Nanotribology and Nanomechanics; An Introduction Bharat Bhushan Textbook 2017Latest edition Springer International Publishing AG 2017 Adhes

竊喜

interrupt

貴族

some additional scarce resources. Resources, depending on their nature, may be classified into types and categories. The classification into . takes into account only the functions resources fulfill: resources of the same type are assumed to fulfill the same functions. The classification into . will