signal

• We made a signal at once to clear up mystery .
  我们立即发出一个电讯进行查询，以解释这个疑团。
• An audible tone signals that the temperature has been computed .
  声音信号表示体温已计算完毕。
• Everything seemed positive, all signals set at green .
  一切好象都使人满意，到处都开放着绿灯。
• The signal consists of surges of electrons or electric current .
  该信号是由电涌即电流所组成。
• The voltage of the amplified signal at the loudspeaker is 2v .
  扬声器放大了的信号的电势为2伏。
• He lose no opportunity to signal his attitude to moscow .
  他不失时机地把他的态度转达给莫斯科。
• Seismic signals are stored digitally in binary code .
  地震信号是以二进制编码的数字形式储存的。
• Table 3-25 is a truth table of the 8251 bus control signals .
  表3-25是8251总线控制信号的真值表。
• Signals would then be recorded without the least distortion .
  这样记录的讯号就一点儿也不会失真。