constrained movement meaning in English

约束运动

For example , exchange rate risk could be removed by constraining movements in the exchange rate for the convertibility undertaking to an even narrower range , settlement risk could be removed by changing the settlement convention from t 2 to t 0 , and portfolio risk had already become less of an issue following the technical measures introduced in september 1998 . 7
例如，只要把兑换保证汇率的变动限制在更窄的幅度内，便可消除汇率风险把结算惯例由t 2变为t 0 ，便可消除结算风险至于投资组合风险，继1998年9月推出技术性措施后，亦已成为较次要问题。