查询词典 weed-killing

One evening When he was thus standing in the garden, abstractedly spudding up a weed with his stick

有一天黄昏，他正这样站在花园里，心不在焉地用手杖挖掘一棵野草

Yellow-flowered European plant that grows on old walls and in waste places; an adventive weed in North America.

开黄花的欧洲杂草，长在老墙上和荒地上；是一种出现在北美的外来植物。

The potential distribution of Ageratum conyzoides, a regional serious invaded weed in China, is predicted in non-native regions based on the niches require in its origin area using ENMs.

以我国入侵杂草胜红蓟在原产地的生态位需求为基础，应用生态位模型预测其在其他地区的潜在分布。

Ageratum conyzoides L., an invasive alien weed, has invaded northwards from South China to the Changjiang River Basin and threatened many crops there. Soybean Glycine max

外来入侵杂草胜红蓟已由南向北入侵到我国长江流域，对众多作物构成威胁。

He recommends checking references and administering personality tests to weed out(10) those who are "really low on agreeableness and emotional stability."

他建议通过审核候选人推荐信和测试人格来屏蔽那些不合群，情绪稳定性差的人。

Researchers recommend checking references and administering personality tests to weed out those who are really low on agreeableness and emotional stability.

他们建议，可以通过审核应聘人员推荐信和进行人格测试的方法来剔除那些"不合群、情绪不稳定"的候选者。

But what Ziska observed in his urban plots was ecology on amphetamines, a nearly completed succession to trees by the end of five years, with a domination by invasive weed trees of the most troublesome sort: ailanthus, Norway maples and mulberries.

但齐思卡发现，他的市区试验点是一种亢奋状态的生态状况，到了第五年的年末，这片试验点几乎变成了完全的林地，占据主导地位的是一些外来的杂木，而且是些最令人头痛的品种：臭椿树、挪威枫木和桑树。

In the fangshan nursery of zhonglin company, Beijing ,on the basis of poplar tree vessel seedling 's weeding experiment with 11 weed killers in the greenhouse , the effects of 12 weed killers on seven broad-leaf tree seedlings were separately carried on by the way of soil treatment and leaf treatmen in the field . The research results indicated that 24% oxyfluorfen EC treated soil surface with quantity of 40-80ml each 667m2,the weeding effect can reache above 95%; 10% imazaquin AS with quantity of 15-25 ml each 667m2, and 30% benazolin-ethyl EC with quantity of 56-76 ml each 667 m2 were sprayed on the weeds or leaves of the seedlings, the weeding effects can reach above 81% and 85% respectively, but safe to nursery stock growth .

在北京中林公司房山苗圃基地，用11种除草剂配方在塑料大棚杨树容器苗试验的基础上，对大田七个阔叶树种苗圃用12种除草剂配方分别进行土壤处理和茎叶处理，结果表明，用24%惠尔乳油，每667m2用商品量40-80ml作土壤处理，除草效果达95%以上；用10%咪唑喹啉酸水剂和30%草除灵乳油每667m2用商品量分别为15-25ml和56-76ml作茎叶处理，除草效果分别达81%和85%以上，对苗木生长安全。

As for the pesticide-resistant species you have mentioned, we can try to reduce the amount of weed killer used, but the idea of abandoning weed killer is unreasonable. Total abandonment will not benefit current ecological balance.

至于您提到的抗除草剂品种依然需要除草剂，那是当然，毕竟现在只能降低除草剂的使用，不能杜绝除草剂的使用，而且完全杜绝了也不好，不符合生态平衡的要求。

A selective weed -killer,ie one that kills weed s but not other plants

选择性除草剂(专除杂草而不伤及其他植物的)。

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。