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词汇 Lac insects
释义 Lac insects
基本例句
紫胶虫
A resinous secretion of the lac insect deposited on trees and used in making shellac.紫胶,虫胶由紫胶虫分泌的沉积于树上的树脂分泌物,用于制造虫胶清漆
The external morphology oflac insectshave close relationship with their geographic distribution and living surroundings.紫胶虫的外部形态与其地理分布及生境有着密切的关系。
This paper deals with climatic conditions in original lac-producing areas and lac insect introduction and cultivation in new places.本文分析了我国紫胶主产区的气候条件以及新产区紫胶虫引种驯化的研究概况。
The copper in stick lac existed mainly in the corpses of the lac insect and that was the main pollution source causing copper pollution in laccaic acid .紫胶原胶中的铜高度富集于紫胶虫尸体之中,它是引起紫胶红色素铜污染的主要污染源。
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