此比率自然对数称为对数的减量.The natural logarithm of this ratio is called the logarithmic decrement.例如, 所在地可以储存厂家转产所引起的排放削减量.For example, localities may bank reductions which result from firms going out of business.方法: 给30例皮质激素减量困难的寻...
马克走在前面，听不见他们的声音。Mark was out of earshot, walking ahead of them.他在前面的草坪上丈量并标记出两个圆圈。He was on the front lawn, measuring out two circles.他们派两人在前面侦察。They sent two men out in front as scouts....