The checks and balances then cascade down to the level of each trading-desk head, the front-line where decisions to buy and sell are made almost instantly.
之后，支票和平衡表会下发到各级交易室负责人，各个交易室是不断做出交易决定的前线。
2
This paper describes a method for measuring particle size of inhaled aerosol with a phantom of human head wearing dust-proof mask anda cascade impactor.
本文介绍了应用级联撞击器和佩戴口罩的人头模型在天然铀燃料元件加工现场测定吸入气溶胶粒度的方法。
3
He struggled to keep his head above water. But the current was so strong it formed a plume that cascade over his face.