Below the "t" type two slot glide through the center was the center of the two slot in collision or hook at installation, can make the slide in athletic process by external through mass.

下面的两条“T”形槽的中心正好通过滑行器的质心，在这两条槽的两端安装碰撞器或挂钩，可使滑行器在运动过程中所受外力通过质心。

youdao

The operating rule and time calculation of the two-speed trolley conveyer, and the design of operating program of single trolley, single hook conveyer are discussed. A newer t…

本文讨论了双速行车的运行规律和时间计算，及单车单钩型行车的运行程序设计，提出了比较新的论点。

youdao

I don't know what this tells us about David and Nina, but don't let them off the hook quite yet.

从大卫和妮娜的协调中得不出什么结论,这事儿还没结束呢

耶鲁公开课 - 博弈论课程节选

And iPod users aren't off the hook either: when playing tracks protected by Apple's FairPlay DRM, CNET found that iPod battery life declined by 8%.

ENGADGET: Is DRM sucking the life out of your MP3 player?

Warning: While custodians for self-directed IRAs do sponsor seminars featuring promoters, they're not allowed to recommend specific investments and aren't on the hook if you pick a bad or bogus one.

FORBES: Magazine Article

The little chaps don't get off the hook entirely though.

ENGADGET: Alt-week 27.10.12: ancient texts, super-Earths and special-ops mice