Head-of-line blocking exists in input queuing used by ATM switching element , which severely affects the throughput , and the cell lo ss is also very large.

ATM交换单元采用的输入排队由于存在队头阻塞严重影响了吞吐率，并且信元丢失率也很大。

youdao

And after switching head coaches midseason -- a coach, I should add, who got good training from the Chicago Blackhawks -- (laughter) -- squeaking into the playoffs as a number eight seed, it looked like the streak of not winning was going to continue.

WHITEHOUSE: The White House

She learned quickly: She began as a production supervisor at the main brewery before switching to the innovation group in 2010, then becoming head of the pilot brewery last year.

WSJ: Creating: Rebecca Reid, Brewmaster at Anheuser-Busch

This would have acted as a counterweight, switching from side to side as the creature ran with its head down and its body almost horizontal to the ground.

BBC: News | Sci/Tech | New dinosaur discovered in England