英语词汇primary source of infection怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
[植保]?初侵染源
... 初侵染 primary infection 初侵染源 primary source of infection 初熔区 fritting zone ...

短语

1
The primary source of infection was the oospore overwintered in soil and plant survival.
其主要侵染来源是土壤中和植物病残体上越冬的卵孢子。
2
Primary infection source may be reduced by breeding and selecting the variety with the lower infected seedling rate of seed-borne SMV.
可以通过选育和筛选种传病苗率低的品种推广，减少本病的初次侵染来源。
3
The main source of primary infection comes from hypha, akinetes and sclerotiums over-wintering in the bulb, residues of diseased plants and the soil.
病菌以菌丝体在种球内，或以菌丝体、厚垣袍子及菌核随病残体在土壤中越冬，成为翌年的主要初侵染源。

单词	primary source of infection
释义	primary source of infection 简明释义初侵染源网络释义 1 [植保]?初侵染源 ... 初侵染 primary infection 初侵染源 primary source of infection 初熔区 fritting zone ... 短语 1 source of primary infection 初侵染源双语例句 1 The primary source of infection was the oospore overwintered in soil and plant survival. 其主要侵染来源是土壤中和植物病残体上越冬的卵孢子。 2 Primary infection source may be reduced by breeding and selecting the variety with the lower infected seedling rate of seed-borne SMV. 可以通过选育和筛选种传病苗率低的品种推广，减少本病的初次侵染来源。 3 The main source of primary infection comes from hypha, akinetes and sclerotiums over-wintering in the bulb, residues of diseased plants and the soil. 病菌以菌丝体在种球内，或以菌丝体、厚垣袍子及菌核随病残体在土壤中越冬，成为翌年的主要初侵染源。
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