control heading造句

• Under radar control heading 265 descend to 6000 feet
  雷达管制航向265下降到6000英尺。
• Control head select
  控制磁头选择
• In order to relatively hold up mud and sand on the spot and control deposition , we should control head channels , branch channels , main channels on slope surface comprehensively
  通过采用沟头、支毛沟、干沟及坡面的综合治理，实现相对就地拦截泥沙，从而达到控制库坝淤积的目的。
• The results oft - test indicated that few genetic main effects of qtls found were significant , among which additive by additive epistatic effects and additive effects were most significant for qtls controlling heading date , additive effects were most significant for qtls controlling kilo - grain weight
  T测验的结果表明，鉴别出的qtl中，遗传主效应达到显著的不多，其中抽穗期的qtl以加加上位性效应和加性效应最为显著，千粒重以加性效应最为显著。