同时许多公司的现有IT架构正在从薄弱处开始蔓延恶化。
At many mines, the quality of the ore is falling as the richest seams are exhausted.对很多种矿来说,矿石的质量正在下降因为含量最丰富的已被开采尽了。
Spontaneous combustion of coal seams is a complicated physical-chemical and environmental process and the result of integrated action of many kinds of internal causes and external conditions.煤层自燃是一个复杂的物理、化学和环境作用过程,是多种内在原因和外在条件综合作用的结果。