英语语法分析

SinoSat-2, mainly developed and manufactured by the Chinese Academy of Space Technology, weighs about 5.1 tons and has 22 transponders.

由中国空间技术研究院开发研制的“鑫诺二号”通信卫星重约5.1吨，星上载有22个转发器。

Wirelessly tracking animals has been a mainstay of research for decades, ever since the first bulky radio transponders were attached to large mammals.

自从为大型哺乳动物佩戴首个笨重的无线收发机以来，通过无线方式跟踪动物已经成为最近几十年来动物科学研究的主流。

Robots may query human controllers at remote sites for the go-ahead to fire, and friendly forces may carry transponders that identify them as "friends".

机器人可以向遥远的人类控制员请求前行、开火，友军会携带识别敌友的转发器。