能量的最大有效输入是在波腹.The most efficient input of energy is actually at an antinode.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.Accordingly, Wiener could conclude that the blackened regions were associated with antinodes of the E - field.在弦振动“...
然后那个伐木工脱手甩出了斧头。哐！每个人都听见了。Then the woodcutter let his axe fly— Thwack! Everyone heard it.他十几斧头就把树砍倒了.He fell the tree with a dozen blows of his axe.斧头太钝,砍不倒树.The axe is too blunt to cut down the tree....
These weaknesses negated his otherwise progressive attitude towards the staff.这些缺点抵消了他在其他方面对待员工还算开明的态度。It is impossible to negated that this fact.否认这个事实是不可能的.The economic benefits gained in this way can be negated by a m...