propagation

[.prɔpə'geiʃən]

n.增殖, 繁殖, 传播, 传送

例句与用法：

Emission and propagation of energy in the form of rays or waves.

发射以光线或波的形式发出和传播能量

The systematic propagation of a doctrine or cause or of information reflecting the views and interests of those people advocating such a doctrine or cause.

宣传活动对一个学说、事业或信息的系统宣传，其反映倡导该学说或该事业的人的观点和利益

A group of organisms having common ancestors and certain distinguishable characteristics, especially a group within a species developed by artificial selection and maintained by controlled propagation.

属一群拥有共同祖先和明显特征的有机体，尤指属于同一物种的一群，通过人工选择来发展，通过有控制的繁殖来维持

The sun sometimes spoils the propagation of radio waves.

太阳有时会影响无线电波的传播。

词形变化：

形容词: propaga-tional |

详细释义：

n.

1. 繁殖; 增殖

2. 宣传; 波及

3. 遗传