It also suggests that the research work on human factor engineering for improving aviation safety should be further enhanced in our...

建议国内加强人因工程在航空安全中的作用研究。

It also suggests that the research work on human factor engineering for improving aviation safety should be further enhanced in our country.

建议国内加强人因工程在航空安全中的作用研究。

Phyisographic and geological setting is the internal factor, engineering activities of human being the external factor.

自然地理地质环境背景条件为内因，人类工程活动为外因。