两次签证 double visa
雷达两小证 Radar Observer Automatic Radar Piloting ; Radar Observer Auto Radar Piloting
两步验证 two-step verification ; Two-Step ; two-factor authentication
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
两个许可证 two license
两大权威证书 Double Certificates
百老汇换票证两张 broadway circuit
两种辩证法 Two Kinds of Dialectics
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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