That beams of light cannot be held stationary, and thus used as a form of memory store, is a big obstacle to doing this.
光束无法被固定在一点上被捕捉，这样只可以被用作为一种存储形式，而这也是很大的一个障碍。
Stationary tube or hydro tube modules store larger quantities of hydrogen at customer locations.
在用户处的固定管道组能够储存更大量的氢。
These parked vehicles have wireless device and high volume battery, and can easily participate in vehicular communications and serve as stationary routers to store and forward data packets.
这些停放车辆具有无线通信设备和高容量汽车电池，可以很容易地加入到车用自组织网络通信中来，并像静态路由器一样中继和转发数据包。
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