键控彩色同步脉冲放大级的英文

keyed burst-amplifier stage

• 键控:    keying; manipulati ...
• 彩色:    multicolour; colou ...
• 同步:    synchronization; s ...
• 脉冲:    impulse; pulse; im ...
• 放大:    amplify; magnify; ...
• 级:    level; rank; grade