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- Abstract : In order to explain the occurrence regulation of Alternaria obpyriformis T. 摘要 : 为了解芦荟黑斑病的发生规律,进一步为防治提供理论依据。
- By using methods of fieldwork and test-woods research, on the loess plateau, this paper studied the occurrence regulation of zokor in secondary forests and improved secondary forests. 摘要利用现地调查和试验林跟踪调查的方法,研究了黄土高原次生林和次生林改造后林地鼢鼠的发生规律。
- By the investigation on the occurrence dynamic of jujube fruit shrink disease, its occurrence regulation was analyzed.The jujube fruit shrink disease was divided into different grades. 摘要通过调查几个枣树品种缩果病动态,对冬缩果病发病规律进行了分析,并将缩果病进行了病害分级。
- Our reseacher in phytopathology have had a lot of work for it.This paper reseach advances for Bacterial Wilt of Ginger in Pathogen,occurrence regulation,control and so on,were overviewed . 中国植病工作者对此病害作了大量的研究工作,对中国姜瘟病的病原菌、发病规律、及防治等研究进展作一综述。
- Occurrence Regulation and Control of Red Spider in Corn Field 玉米红蜘蛛的发生规律及防治措施
- Occurrence Regulation of Rice Leaf Roller and Its Control Technique 稻纵卷叶螟的发生规律及其防治技术
- Occurrence regulation of leaf looper in date and its control 枣尺蠖的发生规律与防治方法
- Riots are of frequent occurrence in this province. 这省经常发生骚乱。
- Robbery is now an everyday occurrence. 抢劫的事现在每天都有。
- His remark shadowed forth some future occurrence. 他的话预示了今后要发生的事。
- Divorce has become an everyday occurrence. 离婚已成为每天都有的事了。
- It is more a made-up story than a real occurrence. 那是杜撰的故事,而不是真实发生的事情。
- An eclipse is an unusual occurrence. 蚀是不常见的事情。
- It's wrong of you to get around the regulation. 你存心规避规章制度是不对的。
- This regulation refers only to children. 这些规定仅适用于儿童。
- Occurrence Regulation and Control Techniques of Calospilos suspecta Warren 丝棉木金星尺蠖的发生规律及综合防治技术
- A preceding occurrence, cause, or event. 先前的前面的事件,事情
- A significant event, occurrence, or change. 新生事物重大的事件或变化
- The geographic occurrence or range of an organism. 生物的地理分布生物出现或分布范围的地理地区
- The minors are excepted from the regulation. 未成年者不在此限。