两地址指令    two-address instruction

双臂井径仪    two-arm caliper

双束干涉条纹    two-beam interference fringe

双船作业    two-boat operation

双通道放大器    two-channel amplifier

二分量采集    two-component acquisition

二元精馏    two-component fractionation

双组分喷枪    two-component spray gun

两冲程发动机    two-cycle engine

二维波数滤波器    two-D wavenumber filter

二维波场外推    two-dimension wave extrapolation

二维数组    two-dimensional array

二维滤波    two-dimensional filtering

二维网格    two-dimensional grid

二维解释    two-dimensional interpretation

二维傅里叶反变换    two-dimensional inverse Fourier transform

二维存储器    two-dimensional memory

二维偏移    two-dimensional migration

二维序列    two-dimensional sequence

二维构造    two-dimensional structure

二维波动方程    two-dimensional wave equation

自动双头弧焊机    two-head automatic arc welding machine

双孔底片    two-hole film

双喷嘴法    two-jet method

两层油藏    two-layered reservoir

双腿井架    two-legged mast

二级寻址；二级编址    two-level addressing

两线迭代法    two-line iterative method

双回线感应测深    two-loop induction sounding

双磁力仪系统    two-magnetometer system

双矿物解    two--mineral solution

二次扫描汇编程序    two-pass assembler

双笔记录仪    two-pen recorder

两相    two-phase

二相原油    two-phase crude

两相流    two-phase flow

两相流体    two-phase fluid

两相非混相流体    two-phase immiscible flow

双相介质    two-phase media

二阶段法    two-phase method

两相摩阻折算系数    two-phase multiplier

两相渗透率    two-phase permeability