The gadget is used to artificially inseminate cows.

这件小装置用来给奶牛进行人工授精。

This paper introduces the task of transplanting big trees. It also states prophase work, transporting and inseminate method, conservation and management in the transplanting process.

本文介绍了大树移植技术这一课题。叙述了大树移植过程中需做的各种前期工作、起运栽植的方法以及最后的养护管理。