| 1. | It always is an inseparable part of the research and development cycle .
它总是研究和开发周期中的一个不可缺少的部分。 |
| 2. | 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。 |
| 3. | "system" might well be compared to the research and development activity in a manufacturing corporation .
“管理系统”和制造业的研究与开发活动很相似。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | Research and development about ngn signaling
跟踪世界发展动态致力地球重力场研究 |
| 7. | Research and development of chinese yam fumctional vinegar
山药食醋的开发与研制 |
| 8. | Research and development on the structure of self - esteem
自尊结构研究的发展趋势 |
| 9. | Research and development of extremum seeking algorithm
极值搜索算法的研究与进展 |
| 10. | U . s . army ordnance research and development service
美国陆军军品研究与发展服务处 |
