1.
Primary Study of the Areal Types of Field Vascular Weeds in Sichuan Province
四川农田维管植物杂草分布区类型初探
2.
Distribution Features of Weeds Communities in Citrus Orchard of Southwest Zhejiang Province
浙西南柑橘园杂草种群分布特点研究
3.
weedy annual native to Europe but widely distributed as a weed especially in wheat.
原产于欧洲的一年生杂草，麦田里的分布广泛。
4.
Predicting the Potential Distribution of Invasive Alien Weeds in China;
几种外来入侵杂草在我国的潜在分布预测
5.
Study on the Occurrence and Integrated Management of Weeds in Turf;
草坪杂草发生分布规律及其综合防除体系的研究
6.
annual weedy herb with ephemeral yellow purple-eyed flowers; Old World tropics; naturalized as a weed in North America.
一年生的杂草多的药草，有短暂的黄紫色的花；东半球热带地区分布；作为一种草移植到北美。
7.
annual prostrate mat-forming weed having whorled leaves and small greenish-white flowers; widespread throughout North America.
一年生有轮生叶子和小白绿色花的杂生野草；广泛分布于北美洲。
8.
widely distributed genus of milky-juiced herbs including some cosmopolitan weeds.
一个广泛分布的产生乳汁的植物属，包括某些世界性杂草。
9.
widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States.
广泛分布于欧洲的杂草，有带刺的舌状的叶子和黄花；美国引入。
10.
Brix Distribution in Stem and Relations With Other Characters of Hybrid of Sorghum×Sudan Grass.
高粱—苏丹草杂交种茎秆糖锤度的分布及与其它性状的关系
11.
prostrate weedy herb with tiny pink flowers; widespread throughout Europe and Asia on sand dunes and heath and coastal cliffs; naturalized in eastern North America.
有粉红色花的匍匐杂草草本；广泛分布于欧洲和亚洲的沙丘和低矮灌木中及海岸悬崖。
12.
An Old World perennial grass(Imperata cylindrica), widespread as a weed in warm regions and used for thatching.
白茅一种东半球多年生的草（印度白茅白茅属），作为杂草广泛分布于温暖地区，盖层顶用
13.
a common low-growing annual garden weed with small white flowers; cosmopolitan; so-called because it is eaten by chickens.
欧亚的一种草本植物；广泛分布在北美；作为一种杂草而移植；因鸡经常吃而得名。
14.
Experiments of Herbicide of Napropamide WDG on Controlling Weed in Tobacco Field
敌草胺水分散粒剂防除烟草田杂草试验总结
15.
transistor's impurity distributing tester
晶体管杂质分布测试仪
16.
Redroot pigweed (Amaranthus retroflexus L.) is an annual species of weeds which is widely distributed and important in cultivated field and other land all over the world.
反枝苋是世界性分布的一种恶性杂草，了解其生物学特性将有助于对其进行有效防治。
17.
widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity.
广泛分布欧洲的杂草，有黄色类似雏菊的花；牲畜大量食用会有毒害作用。
18.
common European perennial naturalized worldwide; a troublesome weed.
普通欧洲多年生草，遍布世界各地；一种棘手的杂草。