两次签证 double visa
两步验证 two-step verification ; Two-Step
两侧验证 two-sided test
即两步验证登录 Two-Step Verification
后两者合称证明责任 burdens of proof
两大权威证书 Double Certificates
两种辩证法 Two Kinds of Dialectics
心悸·心脾两虚证 palpitation with syndrome of deficiency of both heart and spleen
癫病·心脾两虚证 depressive psychosis with syndrome of deficiency of both heart and spleen
健忘·心脾两虚证 amnesia with syndrome of deficiency of both heart and spleen
综合上述两个原因，作者认为两证冲突的问题已经到了急需解决的程度。
For the above reasons, the author thought that the conflict between the two kinds of the certificates should be solved urgently.
只有两证齐全，才是合法的房地产经纪机构，可以从事房地产咨询租赁、买卖等中介活动。
Only two permits complete, the real estate brokerage agency is legitimate, it may be engaged in the real estate advisory lease, sale, and other intermediary activities.
国家对压缩机的生产实行规范化的“两证”制度，即压缩机生产许可证和压力容器生产许可证(储气罐)。
For the production of compressor country implements standardization of "two card" system, namely compressor production license and pressure vessel production license (storage tank).
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