查询词典 lacca

Every structure of bark such as tinsel, cork layer, sclereids and fiber can become block for Kerria lacca sucking sap from host tree.

从枝条表面的茸毛到皮层中的木栓层、石细胞、纤维细胞都成为紫胶蚧固定取食的障碍。

Content of mineral salt has certain relationship with thickness of raw lac, mortality, fecundity and amount of lac secreted by per Kerria lacca.

无机盐含量与胶被厚、死亡率、怀卵量、个体泌胶量有一定关系。

The thickness of periderm and cortex havnt influence on Kerria lacca settling and foraging, but keratinaziation has influence on its settling and foraging.

紫胶蚧在成虫期泌胶只发生在成虫期一定时间段内，泌胶存在一定规律，下代幼虫涌散10d左右停止泌胶。

Come forward new formula to count mortality of lac insect.There are obvious linear relationship between individual weight and adult density, between adult density and amount of lac secreted by per Kerria lacca on double logarithmic coordinate axis.

有针对性地选择固虫密度、性比、死亡率、泌胶量、怀卵量、胶被厚、放收比指标，分别评价紫胶虫在不同需求下的经济指标，提出了3个评价公式。

The sole source of shellac was the excretions of the female Laccifer lacca beetle, found only in India and Southeast Asia.

虫胶的唯一来源是仅在印度和东南亚发现的雌性拉思佛。拉卡甲虫的分泌物。

For centuries, the resinous secretion s that Laccifer lacca beetles deposited on trees had provided a cottage industry in southern Asia, where peasants heated and filtered it to produce a varnish for coating and preserving wood products

几个世纪以来，紫胶虫积存在树上的树脂状分泌物为南亚的家庭小工业提供了原料，该地区农民把树脂分泌物加热过滤，生产一种用作涂料和保护木制品的清漆。

For centuries, the resinous secretions that Laccifer lacca beetles deposited on trees had provided a cottage industry in southern Asia, where peasants heated and filtered it to produce a varnish for coating and preserving wood products.

几个世纪以来，紫胶虫积存在树上的树脂状分泌物为南亚的家庭小工业提供了原料，该地区农民把树脂分泌物加热过滤，生产一种用作涂料和保护木制品的清漆。

For enturies , the resinous secretions that Laccifer lacca beetles deposited on trees had provided a cottage industry in southern Asia , where peasants heated and filtered it to produce a varnish for coating and preserving wood products .

几个世纪以来，紫胶虫积存在树上的树脂状分泌物为南亚的家庭小工业提供了原料，该地区农民把树脂分泌物加热过滤，生产一种用作涂料和保护木制品的清漆。

For centuries, the resinous secretions that Laccifer lacca beetles de-posited on trees had provided a cottage in-dustry in southern Asia, where peasants heated and filtered it to produce a varnish for coating and preserving wood products.

几个世纪以来，紫胶虫积存在树上的树脂状分泌物为南亚的家庭小工业提供了原料，该地区农民把树脂分泌物加热过滤，生产一种用作涂料和保护木制品的清漆。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。