zero-zero escape system
ZZ-TOP Zero – Zero Telecoms Operating Protocol
Application status records of year-end physical inventory List and physical inventory card
Physical Testing and Chemical Analysis Part A:Physical Testing
physiological and physical changes
Institute of Physical Oceanography and Physical Oceanography Laboratory
nonreturn-to-zero change-on-zero recording
return zero problem around zero-frequency
Zero Voltage and Zero Current Switching
zero voltage switching or zero current switching
zero voltage zero current switching
zero voltage-switching ZVS zero-current-switching
zero voltage-switching(ZVS)zero-current-switching(ZCS)