陆界

国家陆界长达2万公里，大陆海岸线长18000余公里。

The national inland boundaries total over 20000 kilometers , with over 18000 kilometers of coastline .

知道污染时如何从陆界流动的以及处理设备会多久被地理和气候变化所影响是很重要的。

it is crucial to understand how contaminants move through the geosphere and how long-term performance of disposal facilities can be affected by geological and climatic changes over time .

他编著的地理教科书与传统蒙学读物、教会教科书、翻译教科书截然不同，内容上分为星界、陆界、气界、水界及生物界，科学全面。

The geography text book he compiled , in which the contents were divided into the following aspects : the cosmos , geosphere , aerosphere , hydrosphere , biosphere , was comprehensive and scientific and completely different from traditional primers , church text books and translation text books .