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repeller造句
1 Digital Bird Repeller" makes use of bionic technology and electronic technology to reach the purpose of repelling birds by simulated sound." 2 A sudden topological change of a strange repeller happened after a hole-induced crisis is reported. 3 The Mega-Sonic Scatter-Cat Repeller looks like a megaphone because it actually is one. 4 Objective To determine the indoor effects of the auto-sensing acoustooptical rodent repeller placed on a ship rope for further research and application. 5 The rod structure has miniature radio receiver, electronic mosquito repeller, electronic lamp, air cleaner and quartz watch set up in sequence.