The Mega-Sonic Scatter-Cat Repeller looks like a megaphone because it actually is one.

这个超音波驱猫器看上去像个扩音器，因为它的确是的。

The Mega - Sonic Scatter -Cat Repeller looks like a megaphone because it actually is one .

这个超音波驱猫器看上去像个扩音器，因为它的确是的。

A sudden topological change of a strange repeller happened after a hole-induced crisis is reported.

报道一例映孔导致激变后发生的奇异排斥子的拓扑突变。

Objective To determine the indoor effects of the auto-sensing acoustooptical rodent repeller placed on a ship rope for further research and application.

目的研究室内条件下自动感应式声光驱鼠器在舰船常用缆绳上的驱鼠效果，以便深入研究及推广应用。