reciprocity

相互作用（复数reciprocities）；相互性；互惠主义英释中释na situation in which two people, groups, or countries give each other similar kinds of help or special rights

1 reciprocity and mutual benefit,互惠互利

2 reciprocity theorem,[物]互易定理；[电磁]倒易理论

1 They said they would press for reciprocity with Greece in the issuing of visas..他们说，他们将会对希腊施压，以达成签证发放的互惠。