submarine climate的意思|示意

Ancient submarine forest grew in alluvial-pluvial deposit in Holocene Changle group, and the growing era is damp and hot climate environment as about 7000 ~ 7500 years ago;

该海底古森林生长于全新世长乐组冲洪积层中，生长时代为距今约7000—7500 a，为湿热气候环境；

When ocean accidents happen, submarine rescue often has much difficulty because of special environment of ocean and bad climate.

当海难事故发生时，由于海洋特殊的环境因素及恶劣的气候，此时的救援工作往往比较困难。