Only persistent study yields steady progress.
只有坚持不懈的学习才能取得稳定的进步。
Steady progress can only be the result of persistent study.
坚持学习，始能不断进步。
Objective To study the effects of high frequency steady noise on cardiovascular system.
目的观察高频稳态噪声对心血管系统的影响。
Objective To study the effects of high frequency steady noise on cardiovascular system.
目的观察高频稳态噪声对心血管系统的影响。
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