他们是经济实惠，携带方便在一个人的口袋里，同时也有千兆字节的数据的范围。
They are affordable and easy to carry in one's pockets, while also having gigabytes of data at reach.
该仪器的特点是结构紧凑、携带方便。
The instrument is characterized by its compactness and portability.
研究人员看到的是，那些拾到小的并携带方便的面包屑的蚂蚁会有向前冲的信心并能回到巢穴中。
What the researchers saw was that the ants that were carting a small, easy-to-carry crumb would dash forward with confidence and were able to hook a right and head on home.
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