求翻译：运用机械的专业知识，根据市场的销售状况及产品的性能、质量与同类商品的价格对比，进行销售分析制定季度、月度采购规模与销售计划是什么意思？

正在翻译，请等待...

use of mechanical expertise, according to the market sales status and product performance, quality and similar commodities, the price comparison, sales analysis for quarterly, monthly scale of procurement and sales plan

Using the machinery specialized knowledge, according to the market sales condition and the product performance, the quality and the similar commodity price contrast, carries on the sale analysis formulation quarter, the monthly purchase scale and the sales plan

Use mechanical professional knowledge, according to the market sales and product performance, quality and price comparison of similar goods, sales analysis to develop quarterly and monthly purchase size and sales plans

正在翻译，请等待...