...周期中成长期(Take Off)启动的较早,启动时市场规模较大,但很快达到单期销售量顶峰,因而也较早运行到市场转折点(Reflection Point),之后单期销售量开始快速回落,直至产品退出市场。这种快速扩散,快速退出的规律符合彩铃作为一种流行性产品的特性。
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reflection-point trajectory 反射点轨迹
specular reflection point 镜面反射点
subsurface reflection point 地下反射点
common-reflection-point stack 同反射点重合
Set Reflection Point 设置镜像点
reflection-point smear 反射点拖影
point reflection [数] 点反映 ; 点反射
For converted wave stacking and trace selection of common reflection point gathering, it is required to accurately calculate the location of conversion points.
转换波共转换点的叠加和道集选取都需要准确地计算转换点的位置。
The method of calculating the reflection point positions and path clearance of the electric wave at the level ground and mountainous region for the microwave relay communication is described.
本文叙述在微波中继通信中,确定和计算电波在平坦地面和起伏山地的反射点位置及路径余隙的方法。
The point at which one year yields to the next is often a time of reflection and resolution.
这是一个年复一年人类不断思考问题、解决问题的小点。
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