查询词典 crop

In order to study conveniently,suppose that each crop row have the same distance, each crop row has not interleaving and there is no weed in the field. Under these conditions some researches were developed.

本文研究时以菜田作物幼苗为作业对象，且假设作物沿行有规律地种植，呈一株一株间隔生长姿态，彼此两株和两行间没有交叠或覆盖。

USDA released its August crop report and World Agricultural Supply and Demand Estimates update last week, incorporating USDA's first NASS seasonal row crop yield estimates and the results of its special review of acreage for harvest following spring flooding.

美国农业部上周公布了8月份作物报告和世界农业供需最新预测，其中包含农业部下属机构国家农业统计局对行播作物年度单产的首次预测以及对春洪发生后播种面积的专门核定。

Moreover, the block of texture was selected on the basis of the central line of crop row. The co-occurrence matrixes of the H color space that was quantified 8 levels were computed. Based on that, five texture parameters were extracted. Then, the K-means clustering method was used to recognize weeds within crop rows.

然后，以作物行中心为基准来选取纹理块，计算量化级数为8级的H颜色空间的共生矩阵，提取5个纹理特征参数，利用K均值聚类法判别分析各块的类别来识别行内杂草。

According to the position feature of drilled crops that were regularly sown as a constant row space, the pixel-histogram method was used to determine the central line and the width of crop row. As a result, weeds between crop rows were detected.

根据条播作物小麦作物行的间距相对固定等位置特征，利用植物像素直方图法确定作物行的中心线和行宽，并识别行间杂草。

Using eyewitness accounts and the scientific evidence found in crop circle sites it looks at the different theories about how crop circles form.

它利用大量目击事实以及在麦田怪圈现场收集到的科学证据，从不同的角度分析了麦田怪圈形成的原因。

Result The maximum peak values of NDVI of single-crop rice and late double-crop rice appeared in Jun.

结果］一季稻和双季晚稻的NDVI最大峰值出现在6月。

Most crop models are site-specific, and some researches have attempted to up-scale the crop models for regional simulation.

由于目前的作物模型大多是田间尺度的站点模型，把它运用到区域水平的效果如何研究甚少。

In fact, the previous crop in the experimental field was milk vetch, incorporating of the crop into soil as green manure had provided certain amount of N.

实际上，试验田前茬作物是紫云英，将其作为绿肥翻耕入土提供了一定数量氮素。

This paper introduced the study on insect resistance, disease resistance, weedicide resistance, stress tolerance, improving quality, improving development, increasing photosynthesis and efficiency of azotification in crop breeding, and expatiated methods and benefits of gene engineering in improving crop variety.

从抗虫、抗病、抗除草剂、抗逆以及品质改良、改善发育状况、提高光合作用和固氮效率等方面论述了基因工程在作物育种中的具体应用和进展，阐述了基因工程改良作物品种的方法和优点。

In single and double cropping region, along with dominating crops such as wheat belt, maize belt and soy bean belt and sustainable increasing of consumption demand it is important and feasibility that carried out crop rotation and continuous cropping, moreover, crop rotation decreasing and continues cropping with longer years.

在一熟和二熟耕作区，随着主栽作物如小麦、玉米、大豆等作物带的形成，加之消费需求的不断增长，使得连轮作成为客观需要，同时由于新技术的应用减少了连作病害使连作具有现实可行性，连作面积增加，年限加长，轮作进一步减少。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。