卡片-卡片发送接收
card-to-card transceiving
阶梯梯度洗脱
stepwise gradient elution
WHO癌症疼痛三阶梯治疗方案
WHO cancer pain three-step analgesic ladder program
癌症三级止痛阶梯疗法
three ladder acesodyne medication
背向式阶梯流
backward-facing step flow
变阶梯结构滑动轴承
adaptive variable structure journal bearing with coupling two step films
变阶梯结构自适应径向滑动轴承
adaptive variable structure journal bearing with coupling two step films
变形半波长阶梯阻抗谐振器
improved half-wavelength SIR resonator