How to diagnose Fusarium wilt and Verticillium wilt in cotton field?怎样根据当地病害发生程度,提出棉花枯萎病和黄萎病的综合治理策略?Fig . 1 . Symptoms of Fusarium wilt of wax gourd at a field.图一、冬瓜萎凋病在田间的病徵.Quarantining FOC 4 is the key method to avoid...
Accordingly, Wiener could conclude that the blackened regions were associated with antinodes of the E - field.因此, 维纳能够推断出:变黑的区域是同E场的波腹相联系的.The points of maximum amplitude are called antinodes. The points of zero amplitud...
Interest rates began to gyrate up towards 20 per cent in 1980 and then down and up again.1980年利率开始攀升至20%，随后又起伏不定。The woman began to gyrate to the music.这位女子开始随着音乐旋转。Gyrate The dancers gyrated wildly to the strong beat of...