Aquaculture is the fastest growing food system on the planet.

水产养殖是这个星球上增长最快的食品体系。

In fact, they are the beginning of a fast and cheap wireless-communication system that some have labelled Li-Fi.

事实上，它们正是有人称之为Li-Fi的高速、廉价的无线通讯系统的鼻祖。

The manufacturers of the Iron Dome system say, it's the fastest and most reliable system of its kind.

铁穹系统的制造商表示它是运行速度最快且最为可靠的系统。

He said that the new, faster system will allow us to protect our communities and uphold the integrity of our nation's immigration laws.

托尼表示，更快的新系统让我们可以保护各社群并维护美国的完整。