2. This paper studied emphatically the heat
steadiness of naphthaline and compatibility of naphthaline with carbon steel.
本文着重对萘的热稳定性以及碳钢萘间的相容性进行实验研究。
3. Moreover, it has been providing a good example of democracy and
steadiness in a continent where tyranny and bloodshed are still tragically common.
此外,在一个暴政与流血事件司空见惯的非洲大陆,南非可以说是树立了一个民主与稳定的好榜样。