I don 't have any children , but I have a young relative who backpacks .
我没有孩子,但我有个亲戚的孩子(很年轻)是背包客。
Its health workers roam with backpacks carrying diagnostic equipment ; a mobile phone captures and interprets the data , which can then be used for paid telemedicine consultations .
He sees a future in other related products , such as backpacks that help parents track whether children arrive safely at school , or chairs that monitor your health .
In conjunction with another study , researchers strapped plant workers with high-tech backpacks and electrodes to study precisely how they cut chickens .