研究和发展 meaning in Chinese

research and development

Because of these differences, pert is used more in research and development projects .
鉴于这些差别，PERT主要应用于研究和发展项目。
Research and development in insect biology and insect resistant plants languished during this period .
这一时期昆虫生物学和抗虫植物的研究和发展很不景气。
The incentive of profits that are abnormally high may be necessary to induce firms to carry on progressive research and development programs .
追求利润的强大动力对促进厂商进行进取性的研究和发展计划来说是必要的。
Development of cold roll technology for threaded tube
螺纹管冷轧工艺的研究和发展
The research and developing trend of magnetic materials
磁性材料的研究和发展趋势

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