time-variable impedance
随时变化阻抗
time to market
(一个新产品从构思到实际推入市场所用的时间)上市时间
Break-even point(in macroeconomics)
(宏观经济学中的)收支相抵点
time for a complete cycle in zigzag
Z形操纵周期
thermal break-off
(挤压缺陷)热折断
Time blunts the edge of sorrow
哀久自灭
quick break mechanism
快断机构
time and material pricing
按工进度及材料定价法