飞行员可以在战区上空飞行，在地面上扔下数千个小型无线传感器，每个传感器只有一块小鹅卵石大小，价格为1美元。
Pilots can fly above a war zone and drop thousands of small wireless sensors, the size of a small pebble and costing a dollar apiece, over the terrain.
但奥拉基是被炸死在也门，而不是在战区。
但是他说，在战区很难收集证据，会见证人和起诉罪行。
But he says it is very difficult to gather evidence, interview witnesses and prosecute crimes committed in a war zone.
应用推荐