This loop also keeps an $invalidateCache flag up to date, so that if a Butterfly's cache is deleted, it deletes the caches of the rest of the Butterfly objects above it in the chain.

该循环也使 $invalidateCache 标志保持最新状态，因此，如果删除了 Butterfly 的缓存，它便删除链中在它之上的其他 Butterfly 对象的缓存。

youdao

Loop the whole chain through the end of the dish-wrack then wind around wine glasses and loop at other side to keep them in place inside the dishwasher.

将整条橡皮筋链穿过洗碗机架子的底段，然后绕在酒杯周围，并在另一边打环扣住，这样就可以将杯子固定在洗碗机上了。

youdao

In the opened-loop supply chain, there are new participants: producer responsibility organization (pro) and the third manufacturers.

在开环供应链中回收主体有生产者责任组织(PRO)、第三方生产商。

youdao

In supply chains such a process is done by closing the loop by pairing the process of forward (forward supply chain) with reverse logistic (reverse supply chain).

FORBES: Could a closed-loop system be the solution to reducing waste?