Vector control is the primary public health intervention for reducing malaria transmission at the community level.
病媒控制是在社区一级减少疟疾传播的首要公共卫生干预措施。
2
Nowadays, wavelet transform, vector quantization and embedded encoding has been the primary technique and study focus for image compression, to which people attach their more importance.
目前，小波变换、矢量量化以及嵌入式编码已经成为图像压缩的主要技术及研究热点，越来越受到重视。
3
An abstract object-oriented model for power network topology is built up and an automatic generation method of primary topology is introduced, which applies the model and system vector coordinates.