农业防治中，通过哪些途径来达到防治病虫的效果？
参考答案：选育推广抗病品种；
改进耕作制度；
运用合理的栽培技术。
Which of the following statements best describes the investment assumption used to calculate an unweighted price indicator series（）
A. An equal dollar investment is made in each stock in the index.
B. A proportionate market value investment is made for each stock in the index.
C. A proportionate market capitalization is made for each stock in the index.
简述成衣车间成衣制作的工艺流程，并针对本企业说明质量控制点。
