contract purchasing造句

例句与造句

1. Pilot study on contract purchase of priority health interventions service
   合同购买重点卫生服务试点研究
2. Ratio of the value of futures contracts purchased or sold to the value of the cash commodity being hedged , a computation necessary to minimize basis risk
   所买卖的期货合约价值与要进行套保的现货商品价值之间比值，用来计算最小化基差风险。
3. It's difficult to find contract purchasing in a sentence. 用contract purchasing造句挺难的