Starting in 2009 , apple began acquiring several companies to build its mapping technology .

从2009年开始，苹果开始收购多家公司以打造其自己的测绘技术。

The use of mapping data can refine these tests .

映射数据的运用能够完善这些测试方法。

The biggest boost to the business came from mapping the human genome .

这一产业的最大动力，来自于人类基因组绘图。

Although the technologies for detecting and mapping spilled oil in icy waters are rapidly improving , the options for cleaning it up remain limited .

尽管在冰川水域探测和定位泄漏石油的技术在不断进步，但是清理这些石油的技术仍然有限。

A mapping project devised by william nordhaus , an economist at yale , revealed more proof that heat wilts economies .

耶鲁大学的经济学家威廉诺德豪斯设计的一项测绘工程给出了更多证据，证明炎热会使经济萎靡不振。