duration of blast 中文意思是什麼

duration of blast 解釋
吹煉期
  • duration : n. 1. 持久，持續。2. 持續時間，存在時間；期間。adj. -al
  • of : OF ＝Old French 古法語。
  • blast : n 1 （風）一陣，（氣流等的）一股；疾風，強風；【冶金】鼓風，送風；噴氣，噴焰。2 管樂器聲，汽笛聲...
  1. At 1 mile from a 1-megaton explosion, for example, the duration of the positive phase of the blast wave is about 2 seconds.

    例如在離一枚一百萬噸爆炸一哩的地方，爆震波的正延續時間約為2秒。
  2. Two - ling early hybrid rice had relatively higher yield, shorter growth duration, and stronger resistance to rice blast than three - line early hybrid rice, but is was inferior in the performance of rice quality ( chalky rice percentage ) and plant height

    與三系雜交早稻相比，兩系雜交早稻具有產量較高、生育期較短、稻瘟病抗性較強等優勢，但堊白粒率高，米質較差，植株偏高。
  3. However, for all of the early hybrid rice combinations, it is necessary to shorten the growth duration, decrease the chalky rice percentage and improve the disease resistance, especially the resistance to rice blast

    無論三系還是兩系組合，都需要縮短生育期、降低壟堊白粒率、提高抗病性特別是對稻瘟病的抗性。
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