follow by

• Motion across the line of sight can be followed by direct observation .
  与视线垂直的运动可以通过直接观测得到。
• This is quickly followed by the appearance of the second whorl of stamen primordia .
  接着很快出现了第二轮雄蕊原基。
• These studies may be followed by a third phase: an intervention study .
  研究就可以进入第三个阶段，就是防治实验研究。
• With old and young great sorrow is followed by a sleepless night .
  无论老少，在剧烈的忧伤之后，接着就有一个不眠之夜。
• Heavy rains are followed by clear sky, strong winds by light winds or calms .
  大雨过后，天空晴朗；狂风以后，微风或静寂。
• The children leaded toward school, carrying slates and followed by their dogs .
  孩子们带着石板向学校走去，小狗跟在后面。
• A few moments of feverish enjoyment were followed by hours of acute suffering .
  片刻的欢喜若狂接着是几个小时的急剧痛苦。
• The program is rather elementary and should be quite easily followed by the reader .
  该程序是较为初等的，易为读者所遵循。
• There was a long silence on the other end of the wire, followed by an exclamation .
  电话线那头沉默了好久，接着是一声惊叫。