IRS
发表于 2025-3-25 03:54:58
A Metasurface-Based Patch Antenna with Enhanced Gain and Frequency for X-Band Applicationsry substrate and superstrate is filled with Teflon. This antenna operates at a frequency band of 9.4–11.1 GHz with dual-band performance with the same compactness. At 10.4 GHz, the obtained return loss is 20 dB with a fractional bandwidth of 16.82%. The highest gain of 9.7 dBi is observed in the ope
insincerity
发表于 2025-3-25 11:28:29
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intrude
发表于 2025-3-25 13:30:50
Alan Jacob,Manju Singh,Agha Asim Husain, and New Zealand. .The comparison between the different territorial contexts allow for the identification of three typologies of demographic dividend: the first dividend, when the working population grows fast978-3-319-81350-9978-3-319-32709-9Series ISSN 2543-0041 Series E-ISSN 2543-0068
商业上
发表于 2025-3-25 18:05:24
S. J. Sugumar,D. Jeevalakshmi,S. Shreyas,R. Vishnu,M. S. Suryakotikiran,B. Kushalappa
LITHE
发表于 2025-3-25 21:14:24
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驳船
发表于 2025-3-26 00:18:28
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舔食
发表于 2025-3-26 05:35:13
Nitish Kumar Pagadala,Anudeep Allamsetty,Suman Bulla,Vineetha Mukthineni,K. Snehainpoint demographic trends, examine the impact of demographic changes on key indicators, investigate the relationship between key indicators and intergenerational justice, scrutinize population policies, and finally propose ways to implement long-term thinking on these issues..978-3-642-09583-2978-3-540-77084-8
过份艳丽
发表于 2025-3-26 11:10:39
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船员
发表于 2025-3-26 14:25:28
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盟军
发表于 2025-3-26 17:03:59
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