Read Edit View history 研究与发展 yánjiūyǔfāzhǎn research and development Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 研究与发展/ 研究與發展 yánjiūyǔfāzhǎn research and development research and development; often abbreviated as R&D Edit Delete References Add reference No references for this word.
研究与发展/ 研究與發展 yánjiūyǔfāzhǎn research and development research and development; often abbreviated as R&D Edit Delete