Consider a family of parallel lines that cut the conic.设有一组平行线与圆锥曲线相交.The circular points are really a degenerate conic.虚圆点实际上是一退化的二次曲线.A family of parallel lines cut the conic.有一组平行线与圆锥曲线相交....
Charcoal prevents browning of tissues and stimulates embryogenesis and rooting.炭可防止组织变棕色并刺激胚胎发生与生根.An antigen that stimulates the production of a particular agglutinin an antibody.任何用来促使凝集原增殖的抗原物质.Amphetamine is a drug t...
遇害者的头颅是用重物击穿的.The victim's skull had been stove in by a heavy instrument.在介质击穿的情况下, 出现了一种不同类型的加速.In the case of dielectric breakdown, a different type of acceleration occurs.提出了芯片门电路硅氧化层静电放电介质击穿的物理模型.A physical mode...