Research and Development (R&D): Research is a planned activity aimed at discovery of new knowledge with the hope of developing new or improved products and services. Development is the translation of research findings into a plan or design of new or improved products and services.
👇 ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖
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