day-degree造句

• Its developmental zero was 11 . 01 , and effective temperature constant for one generation was 791 . 27 day - degrees
  天敌主要有红点唇瓢虫、草蛉、蜘蛛、捕食螨以及刺粉虱黑蜂、黄色跳小蜂等。
• The development threshold temperature and effective accumulative temperature for whole generation were 6 . 68 and 742 . 97 day - degrees , respectively
  花翅摇蚊的世代发育起点温度和有效积温分别为6 . 68和742 . 97d ? 。