By a quarter of wave length commutator principle, combining with electromagnetic wave absorb of filling material.
英
美
- 利用四分之一波长转换器原理,结合填充材制成电磁波吸收体。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries