n.增殖；繁殖；傳播；傳送

MS-medium can promote callus growing and propagation. MS培養(yǎng)基有利于愈傷組織生長增殖。

Rose propagation has a long and rich history. 玫瑰繁殖有著悠久的歷史。

The phenomenon is called anomalous propagation. 這種現(xiàn)象被稱為異常傳播。

The sun sometimes spoils the propagation of radio waves. 太陽有時會影響無線電波的傳播。

He discussed the propagation of waves through the earth's interior. 他探討了地震波在地球內(nèi)部的傳播。

n.反向傳播