He is a master engineer.

他是个熟练的工程师。

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Randy Merrill, an engineer at Masterdisk, a New York City company that creates master recordings, said that to achieve an overall louder sound, engineers raise the softer volumes toward peak levels.

Randy Merrill，纽约Masterdisk公司的工程师，创造了大师级的唱片，为了获得总体更响亮的声音，工程师将柔和的磁碟区提高到一个高水平。

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It is the challenge to design the special joint and master the mechanical performance of the joint for structural engineer.

设计这种特殊的节点并且理清节点构造中力的传递是工程实践对科技工作者提出的要求。

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W. Roebling III, a descendant of master engineer John A. Roebling, who is famous for designing and building the Brooklyn Bridge.

FORBES: Magazine Article

The Gilbert Institute of Erector Engineering proved an especially crafty ploy: Boys coveting the title "Master Engineer" first had to peddle ten Erector Tips subscriptions and, at Christmas, demonstrate Erector Sets in stores.

FORBES: Boy Toy

The Gilbert Institute of Erector Engineering proved an especially crafty ploy: Boys coveting the title "Master Engineer" first had to peddle ten subscriptions to Erector Tips and, at Christmas, demonstrate Erector Sets in stores.

FORBES: Magazine Article