查询词典 native plants

The largest family of seed plants in the area is Compositae, which includes 46 species.

其中种类最多的科是菊科，共有46种，其他超过10种的还有禾本科等5科。

We have studied allelopathy of 10 species of Compositae plants worked on wheat, and found Artemisia annua L.

本课题组在研究10种北方常见的菊科野生杂草对小麦的化感作用时发现，黄花蒿Artemisia annua L。

Any of various plants of various genera of the family Compositae having flowers that can be dried without loss of form or color.

在干后形状和颜色都不改变的一种菊科植物。

Compositae is the largest family of seed plants.

菊科为我国种子植物中最大的科。

A systematic survey to, and determinations, classification and evaluation of these plants in this area were then conducted in order to provide some basic scientific grounds for further study of the compositae germplasm resources.

本文对该区的野生菊科植物进行较为系统的调查和研究，并对其进行归类与评价，为中国热带地区菊科植物资源的深入研究，提供了一定的基础科学依据。

The new plants of the Compositae from north-western China.

标题 中国西北地区菊科新植物。

Researches on development and utilization of compositae plants especially in mineral nutrient content are few in China, which constrains their full use to some extent.

有关该区菊科植物资源开发利用研究，特别是对其矿质营养成分的研究甚少，在很大程度上抑制了该区菊科植物资源的充分利用。

He new plants of the Compositae from north-western China.

itle 中国西北地区菊科新植物。

There are 58 species of 23 families have germinated in Beibei Karst area, these plants include 16 species of Gramineae and 8 species of Compositae.

北碚10个不同的样地共萌发植物58种，隶属23科。

The identification of pyrrolizidine alkaloid-containing plants -- A study on 20 herbs of the compositae family.

血清MTX， 7-OHMTX的HPLC测定法及其与微生物法在大剂量MTX疗法监测应用中的比较。

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。