Michelle Rhee，当她在华盛顿特区担任这个糟糕的教区的执事长时，她关闭一些不合格的学校，开除了超过200名不胜任的教师和校长，同时提倡绩效工资。
Michelle Rhee, the chancellor of the awful school system in Washington, DC, closed failing schools, fired more than 200 ineffective teachers and principals, and advocated merit pay.
计算结果表明，质量合格的石油钻机传动滚子链能胜任链条抽油机的传动。
The result of calculation shows that qualified roller chains for drilling rigs are competent for the job on chain-drive pumping units.
合格的应聘者要具有优秀的口头及书面沟通能力，能够同时胜任多项任务并确保工作按计划完成。
The successful candidate will have excellent verbal and written communication skills along with a demonstrated ability to meet schedules and multi-task.
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