交换契约曲线的英文：
exchange contract curve
n. 交换，互换，交流；兑换，汇率；交易所
v. 交换，互换；交流；兑换
- regional exchange
美国在纽约以外地区的证券交易所 - This exchange takes place in the foreign exchange market.
汇兑是在外汇交易市场上进行的。 - He gambles on the stock exchange.
他从事股票投机。
n. 契约；合同；婚约
v. 感染；（使）缩小，缩短，收缩；订契约
- The contract was negotiated.
合约已谈妥。 - confidentiality of contracts
合同的保密性 - Renewal of contract
合同的续订
n. 曲线，弧线，曲面，弯曲；曲线球
v.（使）沿曲线运动
- Joining Convex (Outer) Curves to Concave (Inner) Curves
缝合凸出的弯曲部位和凹曲部位 - The road curved sharply to the right.
道路有个急转弯拐向右边。 - To bend or curve downward;stoop.
弯向下弯曲；俯曲