The increase slowed to 0.4 percent, possibly indicating the start of a downtrend.增长幅度降到了0.4%，可能意味着下降的开始。The nitrogen utilization efficiency were downtrend with the amount of topdressing increased.随著施氮量增加,追施氮肥的利用率明显下降.Cri...
Managers have discovered that telecommuting revitalizes their skills.经理们发现远距离工作为他们的技术注入了新的活力.I am experienced, and technology precedes is the precondition that revitalizes agriculture and key.我体会, 科技领先是振兴农业的先决条件和要害.Accor...
Ink particles attach themselves to air bubbles and rise to the surface.墨汁颗粒附着在气泡上，浮到表面上。Under certain conditions, electrons can behave like waves rather than particles.在一定条件下，电子可以作波状运动，而不是粒子状运动。Small particles adhere to ...
介绍了冲击地压的危害程度, 发生的原因 、 条件及采取的防治措施.The harm of percussive ground pressure, produced reason, conditions and protective measures are introduced.介绍了煤矿发生冲击地压的显现特征.This paper introduces the characteristics of impact earth press...