Science

That's surely a tiny submarine

作者：AGENCIES

AUSTRALIAN researchers have built what they claim is the world's smallest submarine. They say it could be used in shipwreck recovery and even have military uses.The 40-centimetre-long submersib...

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期二十一世纪英文报尊享卡用户，我们开放所有内容：
如果您拥有以上权限，请点这里登录；
订阅电子报，请点这里；
激活VIP教师卡，请点这里；
激活21英语尊享卡，请点这里。

相关文章
Tiny machines have big potential （1175期）Tiny star warms Earth-like planets （1154期）Tiny theater’s big meaning （1103期）Tiny beads pose giant threat to animals （1061期）Tiny, but serious problem （1037期）Despite losing, Yao Ming is surely a national treasure （766期）US nuclear submarine mishap （588期）