Because of the superiority in high gain and self-act trace wave-packet, it will be widely used in mobile communication.

由于它在高增益及自动波束跟踪方面的优越性能，使得它在移动通信中有着广泛的应用前景。

youdao

Robots must act in self-preservation, unless doing so conflicts with laws 1 or 2.

在不违反法则一或法则二的情况下，机器人必须自我保护。

youdao

All the material about self-development in the world is worthless if we never act on it.

如果我们不去实践，在这世界上所有有关自我发展的材料都是毫无价值的。

youdao

Israel says its three-week assault on the Gaza Strip was an act of legitimate self-defense in response to years of Palestinian rocket attacks.

VOA: standard.2009.10.16

I think it's worth thinking about, at least for a moment, of the oddity of this terrible act of self-mutilation.

我认为这值得思考，至少值得思考一会，有关自毁形象的怪异之处。

耶鲁公开课 - 弥尔顿课程节选

It's the violence of this horrible act of self-sacrifice, this tragic act of self-sacrifice -- an act of self-sacrifice - intended obviously to preserve the state of virginity -- that grabs our attention and presumably grabbed Milton's.

正是这种可怖的自我牺牲行为的暴力，这种悲剧的自我牺牲--这种明显是,要保护童贞的自我牺牲的行为-,吸引了我们的注意力，大概也吸引了弥尔顿的注意力。

耶鲁公开课 - 弥尔顿课程节选

It would this appear that Russian opposition to sanctions in Sudan is not purely a self-interested act or ploy, but actually reflects a comprehensive understanding of diplomacy and statecraft, one very different from our own, that is predicated above all else on the understanding that the first order of business for any regime is survival.

FORBES: Russian Policy Towards Sudan and Syria: Genuine Diplomacy or Unmatched Cynicism?

In Amman, several Jordanian cabinet ministers joined anti-Israeli marches in an act of self-preservation as much as of solidarity.

ECONOMIST: But there is little they can do

The stock exchanges and other self-regulatory organizations effectively act as the SEC's beat police.

FORBES: Magazine Article