查询词典 weed-killing

Ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria.

普遍的欧洲年生草本植物，有白花和分开的叶子，有时在北美东部种植；有时归入母菊属。

A method for determining residues of the forestry herbicide imazapyr in water, soil and weed plant was founded by means of HPLC.

采用 HPL C建立了一种林业常用除草剂咪唑烟酸在土壤、水及杂草植株中的残留检测方法。

The Chinese grass carp is one. It eats large amounts of water milfoil and other weed s that grow under the water surface.

中国草鱼即是一例，它能吃掉大量狐尾草之类的长在水面下的杂草。

The existing pesticide, the miticide, the disinfectant, the weed killer, the conditioner, the leaf surface fertilization and so on six big series product more than 60 varieties, the product sells the national 28 provinces and cities autonomous regions.

现有杀虫剂、杀螨剂、杀菌剂、除草剂、调节剂、叶面肥等六大系列产品60多个品种，产品销售全国28个省市自治区。

Simple, but effective weed control can be achieved on your lawn by mowing often during spring.

很简单，但有效地控制杂草，才能实现对您的草坪由刈割，往往在春季。

And mossy scabs of the worm fence, heap'd stones, elder, mullein andpoke-weed.

是虫蛀的藩篱上面的苔薛、乱石堆、接骨木、毛蕊花、牛蒡草。

An annual weed in the mustard family, native to Eurasia and naturalized in North America, having racemes of yellow flowers and hairy stems and foliage.

田芥菜十字花科中一种一年生的植物，原生长于欧亚大陆，后被移植到北美洲，有开黄花的总状花序和带绒毛的茎和叶

Widely naturalized as a weed in North America, it is used in salads and to make wine .

在北美洲是一种生长很广的野草，用来做沙拉和制酒

European thistle naturalized in United States and Canada where it is a pernicious weed.

美国和加拿大已引入的欧洲蓟，它是一种有害的杂草。

Syzigachne was dispersed as negative binomial distribution, because of affections of environment including tillage, crop planting, fertilizer application, weed control, and other natural elements.

草在田间的空间分布型为负二项分布，其聚集的原因主要是环境的影响，包括人为的翻耕、作物种植、施肥、除草等及其它自然因素的作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。