IE3D
IE3D is a full-wave, method-of-moments based electromagnetic simulator
solving the current distribution on 3D and multilayer structures of general
shape. It has been widely used in the design of MMICs, RFICs, LTCC circuits,
microwave/millimeter-wave circuits, IC interconnects and packages, HTS
circuits, patch antennas, wire antennas, and other RF/wireless antennas.
有人有在用嗎?
可以分享嗎?
謝謝
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220 除了本身以外的因數有:1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110
284 除了本身以外的因數有:1, 2, 4,71,142
而 220=1+2+4+71+142
284=1+2+4+5+10+11+20+22+44+55+110
它們彼此付出了自己的全部而化成了對方....
adapted from MagicFox....
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