Truetan.特鲁塔trueadj.真实的；真的；准确的；精确的；忠诚的adv.真实地；准确地n.真相；精确vt.使...平衡true coincidence真符合true perpetrator帮助犯true value table真值表true correlation真实相关true annual ring真年轮true hypertrophy[医] 真肥大true temperature真实温度,实际温度true to his wordadv.遵守诺言(不失信)true to her wordadv.遵守诺言(不失信)true-man model真人模特

1. A transition is only performed when its associated condition is true.
   转移只在其相关联的条件为真时才执行。
2. Inventors created sundials, which indicate time by the length or direction of the sun's shadow, to track temporal hours during the day.
   当时的发明家制造了日晷，利用太阳阴影的长度或角度，来测量白天真时的变化。