例句與造句

1. Irradiation is pasteurization _ partial sterilization to eliminate pathogens,
2. More extensive documentation is also required for Category IV . Other procedures required, depending on the mission, may include trajectory biasing, the use of clean rooms during spacecraft assembly and testing, bioload reduction, partial sterilization of the hardware having direct contact with the target body, a bioshield for that hardware, and, in rare cases, complete sterilization of the entire spacecraft.
3. It's difficult to find partial sterilization in a sentence. 用partial sterilization造句挺難的