THE Pelican, a small, remotely controlled helicopter drone weighing less than a kilogram, is powered by a battery that provides about 20 minutes’ flying.
Pelican 是一种重量不到一公斤，依靠电池供电可以飞行二十分钟的遥控直升机。
The problem is how can my tiny helicopter afford to one more battery pack which is about 100g?
问题是，如何让我微小的直升机有能力多一个电池匣，其中约100克？
应用推荐