补体经典途径(classical pathway)
为了使植假睫毛显得自然,在植假睫毛时,每两束睫毛间应留出约为()左右的距离。 ["1根","1.5束","2束","3排"]
柴油的干点偏低,DCS如何调节?
某轮顺流航行4h,实际航程为52nmile,0800计程仪读数:L1=50'.0,计程仪改正率ΔL=-7%,船速12kn,流速1kn,则1200相对计程仪读数L2为()。 ["A.105'.9","B.94'.8","C.101'.6","D.103'.2"]
Ig折叠(Ig folding)
CDR(complementary-determining region)