莫納漢（Monaghan）解釋，這類實驗性研究的目的，是了解人們如何在一門語言中逐漸站穩腳步。
Some smoke alarms have been designed to be ultra-sensitive. Aspirating devices, for example, constantly suck in air in order to detect even small quantities of smoke in a room. They are often used in commercial settings, including server rooms packed with expensive computer tech.
。爱思助手下载最新版本对此有专业解读
The US space agency has released a "pre-solicitation" for what is expected to be a hotly contested contract to develop a spacecraft to orbit Mars and relay communications from the red planet back to Earth.
第五十二条 公安机关和有关主管部门依照本法和有关法律法规，并根据国家缔结、参加的国际条约或者按照平等互惠原则，对在境外或者利用境外网络资源对中华人民共和国及其公民或者机构实施网络犯罪活动，或者我国公民在境外实施我国法律禁止的网络犯罪活动，开展网络犯罪防治国际执法合作。