策略 APIPython 策略CA ObjectsExchangePair本頁導覽ExchangePair exchange: Exchange 交易所 | 查看 Exchange e.g. Binance pair: string 交易對 e.g. BTC-USDT base: string 基準貨幣 e.g. BTC quote: string 標價貨幣 e.g. USDT