例句 /

The question whether transgression happened in Paleogene of Bohai Bay Basin has been discussed for more than 20 years, yet it was not resolved.

The question whether transgression happened in Paleogene of Bohai Bay Basin has been discussed for more than 20 years, yet it was not resolved.

摘要有关渤海湾盆地古近纪是否发生过海侵的问题争论了二十多年,至今尚无定论。