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- polycide
- polycircular region
- polycistron
- polycistronic mRNA
- polyclimax
- polyclimax hypothesis
- Polyclitus
- polyclonal antibody
- polycoagulant
- Polycomb silencing
- Polycomb沉默
- polycomplex
- polycomplexation
- polycomponent
- polycomponent coordination compound
- polycondensate
- polycondensation
- polycondensation monomer
- polycondensation process
- polycondensation reactor of polyester
- polyconic projection
- polyconic projection with meridional intervals on same parallel decrease away from central meridian by equal difference
- polyconic projection with meridional intervals on same parallel decrease away from central meridian by tangent difference
- polycrase
- polycritical point