Some speech recognition packages allow a PC to be operated using spoken commands.有些语音识别程序包让电脑可以用语音指令操作。These computers are capable of speech recognition.这些计算机具有语音识别能力。The new speech recognition system is not absolutely foolproof, but it is a huge breakthrough.那套新的语言识别系统并不是绝对万无一失,但却是重大的突破。