查询词典 dodder

Because dodder saplings have only a limited amount of food in their seeds, the saplings must quickly find a host plant or die.

菟丝子幼苗的种子里只有很有限的养分。幼苗必须迅速找到它的宿主不然就会死掉。

Haustorial roots : roots of parasitic plants that can absorb water and nutrients from another plant, such as in mistletoe and dodder .

吸器根 ：寄生在植物根部，可，如吸收水分和养分从另一种植物槲寄生和菟丝子。

Dodder can reduce agricultural productivity and can render a seed crop unmarketable since it's hard to separate it from its host plant.

菟丝子会使农业减产，还会使种子作物滞销，因为很难将其与寄主作物分开。

Objective To compare the effects of immune enhancement, anti fatigue and anoxia tolerance on mice of four kinds of dodder seeds in Shandong Province.

目的 比较山东产四种菟丝子对小鼠免疫功能、抗疲劳、耐缺氧等方面的作用。

The scale 7, 10 and 13 are used to extract the feature vectors, which are used to train the artificial neural network. The trained neural network is used to classify semen cuscutaes and Japanese dodder seeds, which are collected from different places all over the country.

选择第7、10、13分解层数的特征向量，进行人工神经网络训练，再用训练出来的网络对不同产地的植物种子菟丝子和金灯藤所得FTIR小波提取的特征向量进行分类。

A specialized absorbing structure of a parasitic plant, such as the rootlike outgrowth of the dodder, that obtains food from a host plant.

吸根寄生植物，如菟丝子的根状分枝的一种特殊的可以从寄生植物处吸取食物的吸收结构

"Dodder:To shake or tremble, as from old age; totter ."

老态龙钟：因年老而颤抖；蹒跚而行。

Seedlings from the parasitic plant called dodder track chemical aromas to locate their preferred host plants, a new study says.

一项新的研究表明，被称作菟丝子的寄生植物幼苗可以通过追踪化学气息来确定他们最喜欢的宿主植物的位置。

"Dodder is a very difficult pest to control," De Moraes says."The reason for that is that it attaches to the host plant, and it makes it very hard to kill the weed plant without killing the host."

"菟丝子是非常难以控制的有害植物，"德·莫拉埃斯说，"由于它缠绕在寄主植物上，若不杀死寄主植物，也就很难消灭它。"

In those times, pontiffs could dodder on in senility for months, even years, without anyone being the wiser, and without the pope saying or doing anything about doctrine or dogma that would cause the faithful to scratch their heads.

在这些时候，教宗可能在衰老菟丝子几个月，甚至几年，而不会被任何人的聪明，没有教皇说，或者做有关理论或教条会令他们的头上从头忠实什么。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。