知识贝壳
知识贝壳
所属栏目：汉英医学常用词表达
in proportion (to / of ) ;① 当动脉血管直径缩小到50%时,对血流量几乎没有什么影响;超过50%时,血流量则按血管缩小的比例迅速下降。① When the diameter of an artery is decreased by up to 50 per cent, there is little or no measurable effect on flow. Above this, fl ......（本文共 356 字 ） [阅读本文] >>