logging off  退出

logging-penetration-logging  测－渗－测

allowable shut-off time of fast shut-off valve  快速切断阀的允许切断时间

fall off [= bear off]  撑开; 转向下风

hang off [= stop off]  [暂时]挽位; 港外短暂逗留

Off beat takes off  走板起跳

Off-Line Handwritten Chinese Character Recognition (off-line HCCR)  脱机手写汉字识别

off-line trusted third party (off-STTP)  离线半可信第三方

Off-on-off  关－开－关

one-off write-off  一次过撇帐

voltage cut off or current cut off  截压截流

〔Engineering Logging〕  〔工程录井〕

3 D logging constrained inversion  三维测井约束反演

Acoustic Amplitude Logging  声幅软遇阻

acoustic amplitude-density logging  低聚壳聚糖; 声变密度测井

acoustic amplitude-variable density logging tool  声幅-变密度测井仪; 计算机图形接口

Acoustic and Resistivity Imaging Logging  声-电成像测井

Acoustic Cement Bond Logging  声波水泥胶结测井

Acoustic Logging  音波检层; 声波测井

acoustic logging data  声波测井信号