“obstetrical analgesia”的概念、定义、翻译、参考文献-科学参考

单词	obstetrical analgesia
释义	obstetrical analgesia [äb`ste·trǝ·kǝl ´an·ǝl`jē·zē·ǝ] ^MEDICINE Analgesia induced to diminish or obliterate the pain of childbirth.
随便看	pulse radar pulse radiolysis pulse rate pulse-rate telemetering pulse recurrence rate pulse recurrence time pulse regeneration pulse repeater pulse repetition frequency pulse repetition rate pulse rise time pulse scaler pulse selector pulse shaper pulse spacing pulse-spacing modulation pulse spectrum pulse stretcher pulse subcarrier pulse synthesizer pulse-time-modulated radiosonde pulse-time modulation pulse tracking system pulse train pulse-train analysis

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