They sang without instrumental accompaniment — or, more accurately in their case, without any interference.
他们唱歌没有乐器伴奏——在他们这种情况下，更正确地说，是没有干扰。
Case classification is instrumental to enhancing overall medical quality and regulating medical behavior in hospitals.
病例分型对提高医院医疗质量管理和规范医疗行为有重要价值。
Combining with teaching practice, case teaching method used in experiment of instrumental analysis was discussed on accelerating cultivation of practical talents.
结合教学实际，讨论了案例教学方法在仪器分析实验教学中对实用型人才培养的促进作用。
Combining with teaching practice, case teaching method used in experiment of instrumental analysis was discussed on accelerating cultivation of practical talents.
结合教学实际，讨论了案例教学方法在仪器分析实验教学中对实用型人才培养的促进作用。
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