不同药剂防治玉米粗缩病效果研究_农业科学 关键词 玉米粗缩病；发生；拌种；药剂处理；防治 [gap=743]Key words maize rough dwarf virus；occur rence；seed dressing；pesticide treatments；control
基于3个网页-相关网页
It’s a complex process of occurrence and development of tumors.
肿瘤的发生、发展是十分复杂的过程。
参考来源 - 雌激素受体基因多态性与原发性肝癌的关系研究Spinal related disease is a popular disease with high occurrence rate.
脊柱相关疾病属于常见病和高发病。
参考来源 - 整脊手法暨脊柱三维定椎旋转均整法治疗腰痛的临床疗效观察With respect to the degradation level of the acid moieties,the order was OH--labile>H+-labile>free acid,which was related with the occurrence of acids in clay and the adsorption of clay minerals.
各赋存态酸的降解程度为碱解酸高于酸解酸高于游离酸,可能与其在黏土中的赋存状态和吸附过程有关。
参考来源 - 东海表层沉积物黏土粒级中多态脂肪酸组成与地球化学特征The occurrence of different high-polarization of the high resistance, low resistance high polarization of the plate borehole IP response of the unusual features of polarization and the corresponding relations.
研究不同产状的高阻高极化、低阻高极化板状体的井中激电响应,分析了异常的特征及与极化体的对应关系。
参考来源 - 地—井激电法探测盲矿体的数字模拟研究Section Three presents three possible principles of the occurrence of accusative by investigating a number of 53 minority languages in China.
根据施受关系的显豁程度，具体通过对53种中国境内少数民族语言的考察，第3节探讨了宾格标记的三条隐现规律：区别性规律、可别度规律、长度规律，并把这三条规律统一到“难度-标记对应规律”。
参考来源 - 论元结构：标记、语序及其关系Results of this investigation were used to calculate species importance values,which in turn were used to identify dominant species. X2 test,together with association coefficient(AC)and percentage co-occurrence(PC),were used to measure interspecific associations of the dominant herbaceous species.
以X2检验为基础,结合联结系数AC和共同出现百分率PC来测定草本层优势种间的联结性,根据优势种间的联系性及其在海拔梯度上的变化异同,以优势种为主体划分伏牛山自然保护区林下草本植物功能群。
参考来源 - 伏牛山自然保护区森林生态系统草本植物功能群的分类·2,447,543篇论文数据，部分数据来源于NoteExpress
"a disease of frequent occurrence"; "the occurrence (or presence) of life on other planets"
以上来源于: WordNet
N-COUNT An occurrence is something that happens. 发生的事情 [正式]
Complaints seemed to be an everyday occurrence.
投诉似乎成了天天发生的事。
N-COUNT The occurrence of something is the fact that it happens or is present. (某事物的) 发生; 存在
The greatest occurrence of coronary heart disease is in those over 65.
冠心病的最高发病率在65岁以上的人群中。
Besides, effective oral nursing is adopted to reduce occur rence of complications and ensure the success of op...
采取有效的口腔护理方法，减少并发症的发生，保证了手术成功。
Depression is one of the leading problems of human mental imbalance and a common occur rence, which has an immeasurable negative impact on individual's physical and mental health, work and life.
抑郁是人类心理失调最主要和最经常出现的问题之一，对个体的身心健康、工作生活都会造成不可低估的负面影响。
There is such a kind of uncertain phenomenon in the realistic world, that is, the occur-rence or non-occurrence is determinate, but the event itself is unclear.
在现实世界中，有这样一类不确定的现象，即事件发生与否是确定的，但其本身是不分明的。
词组短语
应用推荐