The problem of adaptive tracking control for a class of T-S fuzzy systems with time-varying dead-zone is studied in this paper.

研究了一类带有时变死区的T-S模糊系统的自适应跟踪控制问题。

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We don't know what it's like to be dead, because every time we try to imagine it, we fail.

我们不知道死亡是什么样的，因为每次我们想象死亡，都无果而终。

耶鲁公开课 - 死亡课程节选

But at least it doesn't seem to be the sort of argument, unlike some of the arguments I've considered last time about oh, nobody believes they're going to die because you can't picture being dead or what have you.

但这至少比我上次思考的，认为没有人相信自己会死，因为你不能想象死亡是什么样子,之类的论据有道理。

耶鲁公开课 - 死亡课程节选

Naturally, change within any industry takes time, but now that Sprint is in a position to offer unlimited data at a meaningful speed and T-Mobile has climbed aboard the bandwagon, Verizon may have to change its tune if a significant number of consumers decide that unlimited isn't dead after all.

ENGADGET: Verizon CFO buries his head in the sand, claims unlimited data is 'going by the wayside'

"There isn't a dead pope this time, " said Mr. Gammarelli, whose shop near Rome's Pantheon displays three cassocks in the window made expressly for the next pope (in small, medium and large).

WSJ: March Madness, Vatican Style: Who'll Come Out of the Sweet Sistine?

Vintage clothes For a long time, image-conscious Italians wouldn't be seen dead in second-hand clothes.

CNN: The story