目前，加州的一个消防小队正借助一个基于众包理念的智能手机应用来解决三大难题。

Now a small fire department in California is tackling all three problems with a smartphone app which relies on the idea of crowd-sourcing.

youdao

目前，加州的一个消防小队正借助一个基于众包理念的智能手机应用来解决三大难题。

Now a small fire department in California is tackling all three problems with a smartphone app which relies on the idea of crowd-sourcing.

youdao