毕业后，他开始参与一些影片的幕后制作，包括助理、摄影、副导等工作。
After graduating, he took behind - the - scenes jobs in movie production, including working as an assistant, cinematographer, and assistant director.
几年前，阿兰·斯托姆博士曾是图森桑尼·塞得联合学区的副视导长，负责监督区内法律和纪律方面的问题。
A few years ago, when Dr. Alan Storm was assistant superintendent at Sunnyside Unified School District in Tucson, he oversaw legal and disciplinary matters.
它可使原边所有的开关管零电压导通、副边的整流管零电流关断，因而可实现极高的转换效率。
In resonant converter all switches are working on the ZVS and the secondary diodes are working on the ZCS, so we can achieve high efficiency.
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