The factors which have influence over the null depth and zero point position of two basic microwave antenna difference beams are analyzed theoretically from the point of engineering application.
从工程应用的角度出发，在理论上分析了影响两种基本类型微波天线差波束的零值深度、零点位置等指标的因素。
The principle, feature of microwave heating oven have been describe in the paper. The significance of its application in material engineering has ben emphasized.
综合介绍了微波加热的原理、特点与应用研究的进展，讨论了微波加热用于材料工程中的重要意义。
Comparison between engineering examples, remarkable economic and engineering efficiency of the application of new steel microwave tower is confirmed.
通过工程实例的对比，证实了新型钢结构微波塔的应用具有明显的经济意义和工程意义。
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