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boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
植物病害的病状、病症类型有哪些?
植物病害流行的三要素是什么?它们如何相互影响导致病害的发生和流行?
单循环病害又被称为积年流行病害。
以下哪个病害是全国植物检疫对象()?
何为植物病害?如何理解植物病害的含义?
根据什么把植物病害分为传染性和非传染性病害()。
植物病害侵染循环包括几个环节?如何根据病害的侵染循环制定病害的防治措施?
什么是植物病害的侵染循环?其有那几个环节?
病害严重度(disease severity)
病害循环(disease cycle)
单循环病害(monocyclic disease)
多循环病害(polycyclic disease)
植物病害(plant disease)
IgA肾病(IgA nepheopathy or Berger’s disease)
病害三角(disease triangle)
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
The majority of medium speed and high speed marine diesel engines for main or auxiliary drive operate on the () cycle.
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