“缓冲的”的英语？

地球上的自然生态系统起着一种缓冲的作用.The world's natural ecosystems act as a buffer.变动汇率在面临资本流动冲击时能产生一种缓冲的效果.Flexible exchange rates yield an intermediate outcome in the face of capital - flow shocks.缓冲的标记设置为指定的偏移量.The buffer's...