查询词典 weed-cutting

197 To kill weed which may sprawl rampantly among crops in the first few ages,effective weedicide is commanded to play the alike role as ploughing fields does to eliminate weed.

策划：这是一个典型的将定语从句译为前置的并列分句的例子。

2 To kill weed which may sprawl rampantly among crops in the first several years, effective weedicide is needed to play the same role as ploughing fields does to eliminate weed.

sprawl：肢；懒散地伸开；蔓延；rampant：蔓生的；无约束的；plough：=plow 犁在最初的几年里，杂草可能在农作物中蔓延滋生，为了消灭这些杂草，需要有效的除草剂，发挥为了消灭这些为了消灭这杂草，需要有效的除草剂，发挥与耕地同样的消灭杂草的作用。

In garden, the weed is sparse everywhere. It is not well-marked and doesn't impede the growth of vegetable, flower, and fruit tree, so the gardener doesn't weed with hoe.

园子里的草稀稀疏疏地生在各处，它们不是那麼显眼，也不妨碍果蔬、花木的生长，所以园主没有动锄头清理它们。

The results showed that Sigma Broad had a good control of Veronica didyma, Avena fatra, Vicia sativa, Galium aparine.and Rorippa indica., more significant in term of fresh weight control and the inhibition rate of weed height despite less weed control in term of plant number,which maintained a certain number of weeds,due to delayed use.

结果表明，阔世玛对小麦田婆婆纳、野燕麦、大巢菜、猪殃殃、野油菜等单双子叶杂草有较好的防除效果，春季晚用，对杂草的密度防效不佳，小麦田间保留了一定数量的杂草，但对杂草的鲜重防效、株高抑制率显著。

Most of them are Gramineae weed, next were Cyperaceae and Compositae weeds, the survival of weed species in field depended on the application of different herbicides.

以不同种类杀草剂喷施调查各种杂草残存率，获知禾本科抗药性较大，残存率高，次为莎草科、豆科及石竹科。

The relationship between weed invasion and intensity was analysed on sown pasture mixed by whiteclover and perennial ryegrass,and the preliminary results were that 1the number of invasive weeds ismainly dependent on grazing intensity;2the trend of species diversity was successively increase-decrease-increase when the grazing intensity is increase;3 principal invasion weed species are Lysimachiahemsleyana, Eragrostis nigra, etc,8 species;4the sown pasture in question is pioneer stage of the recoverysucce...

本文分析了白三叶草十多年生黑麦草混播人工草地上杂草入侵与放牧强度之间的关系，得出如下初步结论：1）杂草入侵的种数主要决定于放牧强度；2）α物种多样性随放牧加重而有增－减－增的趋势；3）入侵的主要杂草种为点腺过路黄等8个种；4）所论人工草地都处在恢复演替的先锋阶段，因而草地退化的进程还是能予以遏制的。

Investigation of weed flora in sweet potato field at Chaiyi in 2007 found that 28 weed species, 15 families, occurred in summer, and both Compositae and Gramineae were two dominant families.

2007年夏季嘉义试验分所之甘薯试验田发生的杂草种类计有15科28种，主要以菊科及禾本科的种数较多，各有6种，约占全部种数的43%。

The invention provides a phomopsis compound of sea weed fungus with strong antibacterial activity and application in antibacterial drugs, a relative preparation method and an application, wherein the sea weed fungus is hzla01-1(Phomopsis sp.hzla01-1) as phomopsis compound A and B, compound A is colorless oily substance, and the compound B is colorless acicular crystal.

提供一类来源于海藻真菌的具有强抗菌活性，可应用于抗菌药物的拟茎点菌素化合物及其制备方法和应用。海藻真菌为拟茎点属hzla01-1(Phomopsis sp.hzla01-1)。化合物分别为拟茎点菌素化合物A和B，化合物A为无色油状物，化合物B为无色针状晶体。

Concerning the severe occluding of leaves of weed and wheat, a weed identification method was proposed with color and morphological features.

针对杂草与小麦叶子交叠的情况，提出一种综合颜色和形态特征的方法进行杂草识别。

Through the diversity investigation of weed in large area of white clover seed production atMaming （1）In the seed production of white clover in large area, by the growing of white clover, the species and quantity of weed are increasing rapidly;（2） Because the growth speed of white clover is slower than other grass in the seeding year,the early field management is effect to prevent the fast growth of the weeds.

通过对农业部白三叶种子生产项目在云南省马龙县马鸣乡大面积生产中杂草的多样性调查，结果表明：（1）在白三叶种子大面积生产中，随着白三叶的生长，田间杂草的种类和数量逐步增加；（2）由于在白三叶播种当年其生长速度不快，因而在其生长前期应适时除杂，以防止杂草的迅速生长。

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。