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- 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。
- Numerical results show the effectiveness of the proposed technique, the null depth levels obtained are lower than those reported in the literatures.Nulls are imposed both at the specified directi... 计算实例说明提出的算法十分有效,获得了比已有文献更低的零深,并且可以在主瓣附近或旁瓣区生成零点,也可以在对称主瓣两侧方向生成零点。
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- The state or quality of being null. 无效无效的状况或性质
- I was out of my depth in that class. 在那个班里我跟不上。
- The young man dived to a depth of 40 feet. 那个青年人潜到四十尺的深度。
- We should discuss the problems in depth. 我们应该深入地讨论这些问题。
- The act of making null and void. 废除使 ... 作废和无效
- The depth of the universe is immeasurable. 宇宙无限深广。
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
- The depth of water in this river is half that in that river. 这条河河水的深度是那条河河水深度的一半。
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- A trademark used for a sonic depth finder. 回音测深仪一种声音测深仪的商标
- The court ruled that the claim was null and void. 法庭裁决此项要求无效。
- Resembling an abyss in depth; unfathomable. 深不可测的，无底的深度上象深渊的; 深不可测的
- These creatures live in the depth of the Pacific Ocean. 这些生物生活在太平洋的海底。
- The marriage was declared null and void. 婚姻已宣告无效了。
- Classical music have so much more depth and meaning. 古典音乐深得多，有意义得多。
- The null subset corresponds to the term 1. 空集则对应于常数项1。
- A null reference pointer was passed to the stub. 向占位程序传送了空的索引指针。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
