搜索 - 科创

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在2011年东京车展上，日本知名轮胎公司普利司通推出了一款免充气、不爆胎的新式轮胎，引起了参观者的广泛关注。这款轮胎采用强度高、弹性大的散热塑胶材料制成，网状的编织方式使得它承重力更强，每只轮胎可以支...

相信许多无线电爱好者都接收过NOAA的APT云图，但是APT云图的分辨率实在是可怜。有时有点干扰图片还会糊掉。所以我一直在寻找能不能收更高清的云图的方法，之后在网上看到还有LRPT和HRPT等高清云图...

阴极直径70mm（玻壳外形76mm），每根管子上都标有用Co57测试得出的PHR（脉冲幅度分辨率），在8.5～9.5%左右供电电压1000V通电试过，这些都没问题。没有管基，软丝插针焊接电路板带有运放...

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