变扭器实际出厂编号
effective torque converter serial number
实际实物生产率
marginal physical productivity
PC机内存实际物理地址
PC memory real physical address
RD综合实力
the RD comprehensive strength
按实际可达到的尽可能低
as low as reasonably achievable
ALARA
抱不切实际的想法
get ideas into one’s hand
波实际到达时间
The actual arriving time of wave