查询词典 weed-cutting

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。

The contents provided involve entomology, nematology, weed science, biological control, plant pathology and many other aspects of pest.

它提供的内容涉及：昆虫学、线虫学、杂草科学、生物防治、植物病理学以及有关害虫的许多其它方面。

And it requires stress tests to weed weak nerved dogs out of the gene pool.

在应激压力下，禀性上的软弱总会一再出现。

This species is a noxious weed and is usually a host to several viruses of crop plants.

本种是一根有害物杂草，并且通常是一种庄稼植株的寄主到数枚病毒。

Weed obliterator: You pulled 100 weeds from the yard.

杂草终结者：你清理了院子里的100堆杂草。

Your little one is growing like a weed and drinking you out of house and home.

你的小宝宝，一个是越来越像一个杂草及饮水你的房子和家庭。

A coarse panic grass a cosmopolitan weed occasionally used for hay or grazing .

粗糙的黍；广域的杂草；有时用作干草或牧草。

A coarse annual panic grass a cosmopolitan weed occasionally used for hay or grazing .

粗糙的一年生黍；广域的杂草；有时用作干草或。

A coarse annual panic grass; a cosmopolitan weed; occasionally used for hay or grazing.

粗糙的一年生黍；广域的杂草；有时用作干草或牧草。

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。