In this paper, the flow mechanism and the applications of thrust vectoring using synthetic jet are studied in theory, numerical simulation and experiment.
本文采用理论分析、数值模拟与实验相结合的方法对合成射流流动机理及推力向量控制中的应用进行研究。
With field experiment and based on corresponding meteorological data, this paper studied the quality performance and climatic indexes of warm and cool season grass species in Beijing.
利用田间试验和平行观测气象资料，研究了暖季型和冷季型草种在北京地区的质量表现和气候指标。
Through the leaching experiment, this paper studied on the slowly releasing characteristics of lignin compound fertilizer which was made of ammonia products of ammonia sulfite pulp black liquid.
通过肥料的沙柱淋溶性试验，研究了以亚铵法制浆蒸煮废液氨解产物为原料研制的木质素肥料的缓释特性。
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