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WR90 Standard Gain Waveguide Horn Antenna, 8.2 to 12.4GHz, 15dbi, SMA-Female connector, UBR Flange
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過去掌權者怕動搖統治正當性,刻意在歷史教育中避開與現狀關係密切的當代史,一度避談228、白色恐怖,直到解嚴之後,台灣走向民主化,過去受到忽略的當代史才出現在課堂上,逐漸增加比例。近年來新課綱就是參考先進國家「略古詳今」的作法,注重與現狀有關的部分,讓歷史融入生活。
以下內文出自: https://tw.news.yahoo.com/%E6%96%B0%E8%AA%B2%E7%B6%B1-%E7%95%A5%E5%8F%A4%E8%A9%B3%E4%BB%8A-%E6%83%B9
- WR90 Standard Gain Waveguide Horn Antenna, 8.2 to 12.4GHz, 15dbi, SMA-Female connector, UBR Flange
- EMI/EMC testing, direction finding, surveillance, and antenna gain measurements.
- Calibration devices that measure the gain of other antennas
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