单词	pteris venusta kunze
释义	pteris venusta kunze 爪哇凤尾蕨
随便看	zero cross detection zero-cross detection zero-cross detector zero crossing zero-crossing zero-crossing analysis zero-crossing comparators zero crossing counter zero crossing current detector zero-crossing derivative ratio method zero-crossing detect zero crossing detection zero-crossing detection zero crossing detector zero-crossing detector zero crossing discriminator zero-crossing discriminator zero-crossing distortion zero crossing distribution zero-crossing estimation zero-crossing feature zero-crossing flip-flop zero crossing forecast zero crossing frequency Zero-crossing Measurement