track system

基本解释

A dual track system on both units enhances mobility and makes it possible for them to navigate areas humans can't safely reach.
在機器人身上裝備的雙追蹤系統能提高它們的機動性，使其能在人類無法安全到達的地方行駛。
Some ad firms have started talking of creating a do-not-track system of their own, that would limit the damage to their digital activities.
某些廣告公司已開始聲稱要打造自己的“不跟蹤”機制，這會減少其數字廣告活動可能受到的沖擊。
The safest and most durable track system available.
最安全和最持久的跟蹤系統。

And London's Transport Authority has promoted the Oyster card, a magnetic payment system that keeps track of where people have been and when.
It was like the off-track betting system.
這有點像場外下注。
斯坦福公開課 - 經濟學課程節選
So, these memory cells are a way that your immune system keeps track of antigens that it's been exposed to for even if maybe the plasma cells that were producing antibody in response to the initial exposure have died and disappeared.
所以,這些記憶細胞,是人躰免疫系統記憶抗原的一種方法,即使由漿細胞産生的抗躰,在初次免疫應答中全部被消滅,記憶細胞仍然能迅速分化爲抗躰分泌細胞
耶魯公開課 - 生物毉學工程探索課程節選

Despite an overhaul of the bankruptcy laws in 1998, it is still awesomely difficult to foreclose on debts: the definition of bankruptcy turns on net worth, as opposed to cash flow, and the process is slowed down by a two-track system that separates forced restructurings from forced liquidations.
ECONOMIST: Thailand's biggest problem is debt