The initial margin set at 5%, maintenance margin set at 3%, and the liquidation margin set at 1%.

初始保证金定为5%、维持保证金定为3%，而自动结算保证金则定为1%。

If the margin account balance falls below the maintenance margin level, the account balance must be brought back up to the maintenance level.

这句话为什么不对？保证金低于维持保证金不就要求补仓了吗？

For as long as the Client's account shows an open position, the Client shall maintain the Maintenance Margin in the Client's account at all times.

只要账户尚有未平仓合约，则客户之账户内在任何时候均须保持维持保证金额。

Excess margin Equity in a stock account above the legal limit required for margin maintenance in a long or short account.

超额保证金在长期或短期账户中，超过法定保证金维持范围的股票账户净值。

In addition to the initial margin requirements, margin maintenance requirements run 60 to 80 percent of the value of the initial margin.

除了最初的保证金要求，保证金维修要求运行60至80 %的价值的初始保证金。