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邮政特殊服务
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邮政特殊服务
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special postal service
邮政特殊服务
邮政企业按照国家落实通信与信息安全保障措施,保证机要通信、国家规定报刊的发行,以及义务兵平常信函,盲人读物和革命烈士遗物的免费寄递等。在保证国家政令畅通、传播方针政策以及各种信息等方面发挥着重要作用。
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medium effect
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medium energy electron diffraction
medium energy electron diffraction, MEED
medium engineering
medium focal length lens
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medium frequency electrotherapy
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medium is the message
medium launch vehicle mobile launch platform
medium-length hole ore blast
medium-low temperature convective geothermal system
medium maintenance project
medium manganese ductile iron
medium-mass nucleus
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Medium of artistic communication
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medium or low frequency trading
medium power light-emitting diode package
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