occurrence的例句大全

When plots of equal size are compared, the corresponding percent occurrence for a taxon is named "constancy".

如果进行比较的是相同面积的样地，一个种出现的相应百分比就称为恒有度。

Occurrence and control of bacterial wilt of Hami-melon in Hainan

海南哈密瓜细菌性枯萎病的发生及防治

Preliminary Study on the Damage and Occurrence Dynamic of Grapholitha molesta in Flat Peach Garden

梨小食心虫在蟠桃园的危害和发生动态初探

Debris flow is a natural disaster usually with sudden occurrence, strong destructive power.

泥石流是一种暴发突然、破坏力极大的自然灾害。

Etiology, Occurrence and Control of Papaya ( Chaenomeles Lagenaria) Brown Rot

木瓜褐腐病的病原学、发生规律及防治技术研究

Investigation on the occurrence of plant diseases and insect pests on Chaenomeles lagenaria ( loisel) Koidz in Chang-yang county, the main plant diseases and insect pests are fruits mothes and aphides and brown rotten disease.

通过对长阳地区资丘木瓜[Chaenomeles lagenaria（loisel）Koidz]的病虫害发生情况进行调查，当地资丘木瓜上的主要病虫害为两虫一病，即食心虫、蚜虫和褐腐病。

The occurrence and control technology of insect pests of Eriobotrya japonica

枇杷害虫发生与防治技术研究

Conclusions Puerarin could postpone lesion occurrence of retinal outer nuclear layer cell and photoreceptor outer segment.

结论葛根素可延缓rd小鼠视网膜外核层细胞和视网膜光感受器外段损伤。

Objective To discuss the surgical treatment of deep burns on the dorsum manus of children so as to decrease the occurrence of function disability.

目的探讨小儿手背深度烧伤的手术治疗方法，减少小儿手背深度烧伤后手部功能残障。

Geological Characters and Controlling Factors for Occurrence of CBM in No.2-1 Seam in Exploration Zone in Lion King Temple

狮王寺勘查区二1煤煤层气赋存地质特征及控制因素

The traditional congestion control algorithms judge the congestion occurrence through the following ways: when packet is discarded, sender will receive greater than or equal to three repeated ACKs, or timeout of retransmission timer.

传统拥塞控制算法是通过丢弃数据包后，使发送端通过收到大于等于三个重复的ACK或者重传计时器超时的方式隐式的判断拥塞的发生。

For the characteristics of disciplinary correlation analysis, a post-processing technique for the association rules extraction is used, which is based on the keyword co-occurrence of the subject field.

针对学科相关性分析特点，研究并设计了基于学科领域关键词同现的关联规则后处理方法。

Our country is in the period of occurrence frequency of public crisis.

我国目前正处在突发公共危机事件的高发时期.