At last, it is put forward that the severe self-excited torsional vibration due to any range of initial slip rate can be avoided by increasing the torsional damping of the driveline.
最后，提出通过增加传动系扭转阻尼来防止在任何初始滑转率下发生剧烈的扭转自激振动的措施。
The application rates of boron greatly affected the spike differentiation of wheat. In a certain range, gross spikelets and available spikelets increased with the increasing rate of boron applied.
缺硼严重影响小麦的穗分化，在一定施硼范围内，随着硼施用量的增加，总小穗数和有效小穗数增多。
The present invention is favorable to improving alkaline soil, increasing greatly the yield of crops and raising the commodity rate of agricultural product, and has wide application range.
本发明有利于对土壤碱性的改造，大幅度增加农作物产品产量，提高了农产品的商品率，应用范围较广。
The present invention is favorable to improving alkaline soil, increasing greatly the yield of crops and raising the commodity rate of agricultural product, and has wide application range.
本发明有利于对土壤碱性的改造，大幅度增加农作物产品产量，提高了农产品的商品率，应用范围较广。
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