查询词典 single-crop

As a valuable crop in northern China, adzuki bean has an important status among export agricultural products at all times.

小豆是中国北方重要的杂粮作物，在农产品出口中一直占有重要地位。

Not surprisingly, agave is an important crop in Mexico.

毫不惊讶，它是墨西哥重要的作物。

The research and application of several methods for agricultural yield forecast in China were summarized and assessed,including meteorology,agrobiology,econometrics and dynamic simulation for crop growth,etc.

对气象、农业生物、经济计量、作物生长动力模拟这几种农业产量预报技术方法在国内的研究和应用情况进行分析、总结和评价，论述各种方法的基本原理、适用情况和改进途径，提出综合性预报方法思路。

The crop did not grow well what with species and what with non-uniform top application of fertilizer, according to an agronomist.

这片庄稼长得不好据一位农学家看一方面是由于品种，另一方面是由于追肥不匀。

Alfalfa is a forage crop with high protein, which is an important resource of plant protein.

苜蓿是优质的绿色蛋白饲料作物，是解决我国蛋白质饲料匮乏问题的重要来源。

Alfalfa is the fourth most widely grown crop in the United States.

紫花苜蓿是第四大国广泛种植作物在美国。

Its salinity give priority to the alkalescency salt type such as Na_2CO_3, it calls soda Salina soil and disadvantage to the crop growth.

其盐分以碱性盐类Na_2CO_3为主，称苏打盐碱土，对作物生长极为不利。

Increasing areas in saline and alkali soil dramatically affect crop yield.

土壤盐碱化严重影响作物的产量。

It is an ideal all year round crop.

它是一种理想的全年作物。

At the same time, mature sheath still have the capacity of Cl~--exclusion.2 Alleviative effect of exogenous substance under salt stressThe salt tolerance of plant is a integrative mechanism, its fit to salt stress was multifarious, the salt tolerance of crop is a kind of complicated physiological mechanism that is the acted together result of genetic characteristic and exoteric condition, the alleviative effect on salt stress caused by exogenous substance was realize through different approach, so it is very difficult to explain the relation of exogenous substance and salt tolerance with a given index.

成熟叶叶鞘同时还具有拒Cl~-能力。2外源物质对盐胁迫的缓解作用植物的耐盐性是一种综合机制，其对盐胁迫的适应也是多种多样的，作物的耐盐性是一种相当复杂的生理功能，是遗传特性与外界环境共同作用的结果，不同的外源物质对盐胁迫的缓解作用是通过不同途径实现的，因而很难用某一个指标来说明外源物质与耐盐性的关系。

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。