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| 1. | particular / special requirement |
| 特殊要求 |
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| 2. | Hemagglutination of some viruses has a particular PH requirement. |
| 某些病毒的血凝反应需要一定的PH值。 |
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| 3. | Plugs and socket-outlets for household and similar purposes--Part 2: Particular requirement for adaptors |
| GB2099.3-1997家用和类似用途插头插座第二部分:转换器的特殊要求 |
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