第一次全国经济普查
the 1st National Economic Census in 2004
全孔一次高压注浆
full hole high-pressure grouting
溶解气驱一次采油量
solution-gas-drive primary oil
一次采油
primary oil recovery
primary depletion
primary recovery of crude oil
primary exploitation
一次采油采收率
primary recovery factor
primary recovery efficiency
一次一密
one-time pad
one-time-pad
one-time key
one time pad
One-time password
once a key
different keys in each encryption
One-time One-password
one-time padding