这些优点使得稀布天线阵列成为非周期阵列中颇具实用性的一类阵列天线。
The sparse antenna arrays with the strong directivity have a great deal applications in aperiodic arrays.
采用不同主链结构的含硼稀丙基树脂改性双马来酰亚胺（B MI）树脂，并对其预聚工艺、反应性、 固化树脂力学性能、耐烧蚀性能及玻璃布层压板性能进行了研究。
This paper studied the properties of modified resin, which is copolymering by BMI and different main chains of allyl resin containing boron. The composite of these resins was discussed.
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