Alternative treatments can provide a useful back-up to conventional treatment.
替代疗法能为传统的治疗提供有效的辅助。
《柯林斯高阶英汉双解学习词典》
He's now back up on the slopes again, skiing competitively in events for the disabled.
他复出了,在残疾人滑雪比赛中表现不俗。
《柯林斯高阶英汉双解学习词典》
Radio signals received from the galaxy's centre back up the black hole theory.
从该星系中心收到的无线电信号证实了黑洞理论。
《柯林斯高阶英汉双解学习词典》
为实现远后备保护功能,应配置过电流保护和负序电流保护。
互联网摘选
Finite Element Analysis of Stress and Contact Pressure of Rubber O-sealing Ring with Back-up Ring
O形橡胶密封圈配合挡圈密封的应力与接触压力有限元分析
互联网摘选
