求翻译：【资源】铁矿蕴藏量约10亿吨，但品位低、开采成本高，煤储量几近枯竭，所有铁矿、煤矿均已关闭，所需矿石完全依赖进口。有色金属储量很少，几乎全部依赖进口。能源主要依靠核能，约78%的电力靠核能提供。此外，水力和地热资源的开发利用也比较充分。森林面积约1556.5万公顷，覆盖率28.6%是什么意思？

[Resource] iron ore reserves of about 10 million tons, but low-grade, high cost of mining, coal reserves are nearly depleted, iron ore, coal mines have been closed, the ore required is entirely dependent on imports. Non-ferrous metal reserves, rarely almost entirely dependent on imports. Energy main

[resources] iron ore reserves are about 1 billion tons, but low-grade, high-cost mining, coal reserves near depletion, all iron ore and coal are closed, the ore is entirely dependent on imports. Very few non-ferrous metal reserves, depends almost entirely on imports. Energy mainly rely on nuclear en

"Resources" iron ore reserves of about 1 billion tons, but low grade, high costs of mining, coal reserves are almost exhausted, all of iron ore and coal mines have been closed, needed to complete dependence on imported ore. Very few reserves of nonferrous metals, almost entirely dependent on imports