您要查找的是不是：
- 差别difference
- 差别的differential
- 差别很大made a great difference
- 差别PCRdifferential PCR
- 细微差别nuance
- PCRpolymerase chain reaction (PCR)
- 有差别的discriminatory
- PCR法PCR
- 无差别indistinguishableness
- 3-PCR3-PCR
- 长PCRLong PCR
- 没有差别there is no difference
- PCR仪PCR instrument
- 差别待遇discriminate
- TD-PCRTD-PCR
- 细微的差别fine distinction
- UP-PCRUP-PCR
- 有很大差别make a great deal of difference
- 组合PCRassembly PCR
- 搭桥PCRbridge-PCR
